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Soru 841Soru →

A nurse is preparing to administer a mixed dose of 5 units of regular insulin and 15 units of NPH insulin to a client with type 2 diabetes mellitus before breakfast. Place the following steps for preparing this medication in a single syringe in the correct chronological order.

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The correct chronological sequence is: roll the NPH vial, cleanse both stoppers, inject air into the NPH vial, inject air into and withdraw the regular insulin, and finally withdraw the NPH insulin.
The standard sequence for mixing insulins ensures both accurate dosing and prevention of cross-contamination. NPH must be rolled to suspend the particles safely. Stopper cleansing ensures sterility. Air must be injected into both vials to prevent a vacuum. Injecting air into the NPH vial first, followed by the regular insulin, allows the nurse to draw up the regular (clear) insulin first. This 'clear before cloudy' rule is critical to prevent the intermediate-acting NPH from contaminating the rapid-acting regular insulin vial.

Adım Adım Çözüm

1
Roll the NPH insulin vial.
The suspension is mixed evenly.
Ensures accurate dosing without creating air bubbles that form if the vial is shaken.
2
Cleanse the rubber stoppers of both vials.
The tops of the vials are sanitized.
Prevents introduction of pathogens into the sterile medication.
3
Inject air into the NPH vial first.
Pressure is equalized in the NPH vial.
Prevents vacuum formation; doing this first avoids contaminating the clear insulin with cloudy insulin.
4
Inject air into the regular insulin vial and withdraw the medication.
The regular insulin is drawn into the syringe.
Drawing clear insulin first prevents accidental contamination of the rapid-acting regular insulin vial with the longer-acting NPH insulin.
5
Withdraw the NPH insulin.
The total mixed dose is prepared in the syringe.
Completes the medication preparation while maintaining the purity of both insulin vials.

Anahtar Kavram

Safe medication preparation and mixing of insulin (Clear before Cloudy)
Soru 842Soru →

A client is admitted to the intensive care unit with severe diabetic ketoacidosis (DKA). The client is lethargic and exhibiting deep, rapid Kussmaul respirations. The initial capillary blood glucose is 650650 mg/dL (36.136.1 mmol/L). The healthcare provider has entered multiple collaborative prescriptions.

Arrange the following collaborative and nursing interventions in the correct chronological order of implementation for this client. (Place the first priority action at the top and the final action at the bottom.)

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The correct sequence begins with fluid resuscitation, followed by verifying the potassium level, initiating continuous IV regular insulin, adding 5% dextrose when glucose drops below 250 mg/dL, and finally transitioning to subcutaneous insulin.
The precise sequencing of interventions in DKA is critical to prevent fatal complications. Fluid resuscitation must occur first to reverse hypovolemic shock. Potassium levels must be verified next because insulin therapy causes a rapid intracellular shift of potassium, risking lethal dysrhythmias. Once potassium is confirmed safe, IV regular insulin is initiated to halt ketogenesis. As glucose levels fall to approximately 250250 mg/dL, dextrose is added to the IV fluids to prevent hypoglycemia. Finally, once ketoacidosis has fully resolved, the client is transitioned to subcutaneous insulin.

Adım Adım Çözüm

1
Prioritize fluid resuscitation
Intravenous access is established and 0.9% sodium chloride is rapidly infused.
Clients with DKA experience profound osmotic diuresis, leading to severe hypovolemia. Restoring intravascular volume is the absolute first priority to maintain perfusion to vital organs.
2
Verify serum potassium
A STAT potassium level is obtained.
Insulin administration forces potassium back into the cells. If the client is already hypokalemic, insulin can trigger life-threatening dysrhythmias. Potassium must be known before insulin is started.
3
Administer regular insulin IV
A continuous regular insulin infusion is started.
Insulin is required to stop lipolysis, halt ketone production, and slowly lower the blood glucose levels.
4
Prevent hypoglycemia
5% dextrose is added to the IV fluids.
When blood glucose reaches approximately 250250 mg/dL, dextrose is added to prevent hypoglycemia and cerebral edema, allowing the insulin drip to continue until the anion gap closes.
5
Transition to maintenance therapy
Subcutaneous insulin is initiated.
Once the acidosis resolves and the client can eat, subcutaneous insulin is administered. The IV insulin is typically overlapped with the first subcutaneous dose for 1 to 2 hours.

Anahtar Kavram

Prioritization in Diabetic Ketoacidosis (DKA) Management
Soru 843Soru →

A nurse enters a client's room and observes that the client's central venous catheter tubing has disconnected from the hub. The client is gasping for air, appears cyanotic, and reports severe, sudden-onset chest pain. Arrange the following nursing actions in the priority order they should be performed to reduce the risk of cardiopulmonary collapse.

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The correct sequence is to clamp the catheter, position the client in the left lateral Trendelenburg position, administer oxygen, activate the rapid response team, and obtain vital signs.
In the event of a disconnected central venous catheter leading to a suspected air embolism, the immediate priority is to stop further air entry by clamping the line. The next critical step is positioning the client in the left lateral Trendelenburg position to trap the air bubble in the right ventricle, preventing it from migrating into the pulmonary circulation. Oxygen therapy is then applied to address hypoxemia and help shrink the air embolus through nitrogen washout. Once these rapid, independent, life-saving measures are implemented, help is summoned, and baseline parameters are established to guide further medical management.

Adım Adım Çözüm

1
Identify the complication as a suspected air embolism and clamp the catheter.
Further entrainment of air into the central venous circulation is stopped.
Air entering the central venous system can travel rapidly to the heart. Stopping the source is the most critical first step.
2
Place the client in the left lateral Trendelenburg position.
The air embolus is trapped in the apex of the right ventricle.
This position prevents the air from migrating into the pulmonary artery, which would obstruct pulmonary blood flow and cause right-sided heart failure.
3
Administer 100% oxygen via a non-rebreather mask.
Hypoxemia is treated and nitrogen washout is promoted.
High-concentration oxygen creates a gradient that accelerates the absorption of the nitrogen component of the air embolus.
4
Activate the rapid response team.
Advanced medical support is summoned to the bedside.
The client requires urgent medical evaluation and possible intensive care management for the air embolism.
5
Obtain a full set of vital signs and prepare for possible resuscitation.
The client's hemodynamic stability is established.
Continuous monitoring dictates the need for further interventions, such as cardiopulmonary resuscitation or inotropic support, if the client decompensates.

Anahtar Kavram

Management of Suspected Air Embolism in Central Venous Catheters
Soru 844Soru →

A nurse on a medical-surgical unit is preparing to administer a large-volume cleansing enema to an adult client experiencing severe constipation. In what order should the nurse perform the following actions? Arrange the steps in the correct chronological sequence.

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The correct sequence is: Warm the solution and prime the tubing, position the client in a left lateral Sims' position, lubricate and insert the tube 3 to 4 inches, elevate the container and release the clamp, and finally, clamp the tubing temporarily if cramping occurs.
Administering a cleansing enema requires a systematic, evidence-based approach. The nurse must first prepare the equipment by warming the solution to prevent cramping and priming the tubing to remove air. Next, the client is placed in the left lateral Sims' position to align with the anatomy of the descending colon. The lubricated tube is then inserted safely 3 to 4 inches. Once inserted, the container is raised to create a gentle gravity flow. Finally, the nurse monitors the client during the infusion and clamps the tubing if cramping occurs to allow the bowel to relax.

Adım Adım Çözüm

1
Warm the enema solution and prime the administration tubing.
Equipment is prepared and air is removed from the line.
Cold solutions can cause severe cramping, and air in the tubing can cause painful distention.
2
Assist the client into a left lateral Sims' position with the right knee flexed.
The client is in the optimal anatomical position for the procedure.
This position follows the natural curve of the descending colon and sigmoid, allowing gravity to facilitate fluid instillation.
3
Lubricate the tip of the tubing and gently insert it 3 to 4 inches into the rectum.
The tube is safely placed in the rectum without causing injury.
Lubrication prevents mucosal trauma, and 3 to 4 inches is the standard safe insertion depth for adults.
4
Elevate the solution container 12 to 18 inches above the anus and release the clamp.
The solution begins to flow into the colon at an appropriate pressure.
A height of 12 to 18 inches provides a safe, steady gravitational flow without creating excessive pressure.
5
Temporarily clamp the tubing if the client reports sudden abdominal cramping.
Fluid instillation is paused, easing the client's discomfort.
Cramping is a common response to bowel distention; pausing the flow allows the bowel musculature to relax.

Anahtar Kavram

The safe administration of a large-volume enema requires sequential preparation, precise anatomical positioning, correct insertion depth, and continuous monitoring to ensure basic care and comfort while promoting elimination.
Tahmini Süre:1m 30s
Soru 845Soru →

A nurse is caring for a client with acute respiratory distress syndrome (ARDS) who is receiving mechanical ventilation. The ventilator's high-pressure alarm suddenly begins to sound continuously. Arrange the following nursing actions in the most appropriate chronological order from first to last.

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The correct sequence prioritizes immediate client assessment, followed by checking for mechanical obstructions, assessing for physiological causes, intervening via suctioning, and finally evaluating the response.
The correct sequence follows the foundational nursing process and prioritization rules for critical care. The nurse must always assess the client first to rule out immediate life-threatening distress. Once the client's baseline is established, the nurse checks for simple external mechanical issues such as tubing kinks or biting of the endotracheal tube. If those are clear, a deeper clinical assessment via auscultation is performed to identify internal causes like excessive secretions. After identifying the cause, the nurse intervenes by suctioning and then evaluates the effectiveness of the action through reassessment.

Adım Adım Çözüm

1
Assess the client's oxygen saturation, chest excursion, and level of distress.
Establishes the client's current physiological stability.
Nurses must always assess the client before troubleshooting the machine to ensure life-threatening hypoxia is rapidly identified.
2
Inspect the endotracheal tube for biting and the ventilator tubing for kinks.
Rules out simple physical obstructions in the ventilator circuit.
Kinks or biting are common, easily correctable causes of high-pressure alarms that should be addressed before initiating invasive procedures.
3
Auscultate the lung fields bilaterally for adventitious breath sounds.
Identifies the presence of excessive pulmonary secretions or bronchospasm.
Provides the clinical data necessary to justify an invasive intervention like endotracheal suctioning.
4
Perform in-line endotracheal suctioning to remove accumulated secretions.
Clears the airway and decreases intrathoracic pressure.
Removes the internal obstruction triggering the ventilator's high-pressure sensor.
5
Reassess the client's respiratory status and ensure the ventilator alarm has ceased.
Confirms the return of normal ventilation parameters and client stability.
Closes the loop of the nursing process by evaluating the effectiveness of the chosen intervention.

Anahtar Kavram

Nursing prioritization during mechanical ventilator alarms emphasizes assessing the client first, troubleshooting mechanical issues second, and following the nursing process (Assessment, Intervention, Evaluation).
Soru 846Soru →

A nurse is preparing to access a client's implanted venous access device (port) using a non-coring needle to administer intravenous chemotherapy. The nurse has gathered the necessary supplies, explained the procedure to the client, and performed hand hygiene. Arrange the following steps in the correct order to access the device safely.

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The correct sequence for accessing an implanted venous port is: donning masks and sterile gloves, cleansing the site with chlorhexidine, immobilizing the port, inserting the needle at a 90-degree angle, aspirating for blood return, and finally flushing with normal saline.
Accessing an implanted port requires strict sequential adherence to sterile technique and safety verification. The nurse must first protect the site from respiratory droplets (masks) and contact (sterile gloves). Disinfection with chlorhexidine follows, requiring complete air drying. Once sterile, the nurse stabilizes the port to prevent movement and inserts the non-coring needle at a 90-degree angle to avoid damaging the septum. Before injecting any fluid, placement must be verified by aspirating for blood return. Only after confirming a blood return can the nurse safely flush the line with saline to establish patency.

Adım Adım Çözüm

1
Don a surgical mask, instruct the client to turn their head away from the insertion site, and don sterile gloves.
A sterile field is established and droplet contamination is prevented.
Central line-associated bloodstream infections (CLABSIs) are a severe risk; maximum barrier precautions are required before exposing the site.
2
Cleanse the skin over the port site with a chlorhexidine applicator using friction and allow it to air dry completely.
The insertion site is disinfected.
Chlorhexidine requires friction to penetrate the epidermis and must air dry to exert its full chemical bactericidal effect.
3
Immobilize the port securely between the thumb and index finger of the non-dominant hand.
The port is isolated and stabilized.
Implanted ports are located in subcutaneous pockets and can move; stabilization is necessary for an accurate puncture.
4
Insert the non-coring needle firmly at a 90-degree angle through the skin and septum until the needle hits the back of the port.
The needle is correctly seated inside the port reservoir.
A 90-degree angle with a specialized Huber needle prevents slicing (coring) the silicone septum, which could cause the port to leak.
5
Aspirate gently with an attached syringe to confirm a blood return.
Intravascular placement is verified.
Confirming blood return is the primary method to ensure the catheter tip has not migrated out of the superior vena cava and the line is not occluded.
6
Flush the device with 10 mL of sterile normal saline.
The catheter is cleared and patency is physically confirmed.
Flushing pushes the residual blood into the circulation, prevents clotting in the catheter, and allows the nurse to monitor for extravasation.

Anahtar Kavram

Implanted Venous Access Device (Port) Safe Access Procedure
Soru 847Soru →

A healthcare provider prescribes moving a client with left-sided lower extremity weakness out of bed for the first time. In what sequence should the nurse perform the following actions to safely transfer the client from the bed to a wheelchair? (Arrange the items in the correct chronological order, from first to last.)

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The correct sequence ensures environmental safety is established first (positioning and locking), followed by physiological safety (assessing for dizziness), mechanical safety (gait belt), and finally the physical transfer using the client's strong side.
Safe transfer protocols dictate preparing the environment first by optimizing placement and locking equipment. Next, the nurse must ensure the client is physiologically stable by addressing orthostatic hypotension. Then, the nurse applies safety equipment (gait belt) before executing the physical weight-bearing and pivot maneuver toward the client's unaffected side.

Adım Adım Çözüm

1
Position the wheelchair on the client's strong (right) side.
The wheelchair is properly aligned for a safe transfer.
Transferring toward the strong side allows the client to use their unaffected leg to bear weight and pivot, reducing the risk of collapse.
2
Lock the brakes on the bed and wheelchair.
The transfer surfaces are immobilized.
Unsecured equipment can roll away during the weight shift, leading to a fall.
3
Assist to a sitting position and allow legs to dangle while checking for dizziness.
The client adapts to the upright position.
This prevents orthostatic hypotension, a common risk for clients who have been on bed rest.
4
Apply a gait belt.
The nurse has a safe grasping point.
A gait belt lowers the risk of injury to both the nurse and the client by providing a mechanical advantage at the client's center of gravity.
5
Perform the stand-and-pivot maneuver.
The client is successfully seated in the wheelchair.
With all safety measures in place, the client uses their strong right leg to pivot into the chair safely.

Anahtar Kavram

Safe Client Transfers and Mobility
Soru 848Soru →

A nurse is changing the needleless connector caps on a client's central venous catheter. The client suddenly gasps, becomes extremely tachycardic, and reports a feeling of impending doom. The client's blood pressure drops to 82/48 mm Hg. Suspecting a central line-associated air embolism, arrange the following nursing actions in the sequence they should be performed. All options must be used.

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The correct sequence is to first clamp the catheter, then place the client in a left lateral Trendelenburg position, followed by administering 100% oxygen, activating the rapid response team, and finally initiating continuous vital sign monitoring.
An air embolism is a life-threatening emergency characterized by the sudden entry of air into the venous system, causing cardiovascular collapse. The nurse must prioritize interventions based on immediate survival. First, the source of air must be stopped by clamping the catheter. Second, the client must be placed in Durant's maneuver (left lateral Trendelenburg) to keep the air trapped in the right ventricular apex, preventing pulmonary artery occlusion. Third, providing 100% oxygen combats hypoxia and helps shrink the air bubble by washing out nitrogen. After these immediate life-saving actions are complete, the nurse activates the rapid response team and continuously monitors the client's hemodynamic status.

Adım Adım Çözüm

1
Clamp the catheter.
Stops air entrainment into the venous system.
Removing the ongoing cause of the emergency is the absolute first clinical priority.
2
Place in left lateral Trendelenburg position.
Traps the air bubble in the heart.
Mechanically prevents the air from obstructing the right ventricular outflow tract, which would cause immediate cardiac arrest.
3
Administer 100% oxygen.
Corrects hypoxia and shrinks the bubble.
Maximizes tissue oxygenation and promotes nitrogen reabsorption from the air embolus into the blood.
4
Activate rapid response team.
Brings advanced medical help.
The client requires emergency medical evaluation, potential intubation, and advanced interventions.
5
Monitor vital signs continuously.
Evaluates clinical status.
Establishes a baseline for the rapid response team and monitors for further hemodynamic decompensation.

Anahtar Kavram

Air Embolism Emergency Management
Soru 849Soru →

A nurse is assessing a client with a history of heart failure who suddenly develops severe dyspnea, a respiratory rate of 34 breaths/min, and pink, frothy sputum. Arrange the following nursing actions in the correct sequence of priority.

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The correct priority sequence is to first elevate the head of the bed, then apply oxygen, obtain vital signs, administer the intravenous diuretic, and finally monitor hourly urine output.
In cases of rapid respiratory decompensation such as acute pulmonary edema, nursing prioritization follows the ABCs (Airway, Breathing, Circulation) framework. Immediate physical interventions that support breathing (positioning and oxygen) take absolute priority. Once the airway and breathing are supported, the nurse must assess the client's hemodynamic baseline (circulation) before administering medications that drastically alter fluid volume. Evaluation of the pharmacological intervention follows as the final step.

Adım Adım Çözüm

1
Address the immediate airway and breathing mechanics.
Elevate the head of the bed to a high-Fowler's position.
This independent action immediately decreases venous return and allows maximum thoracic expansion to ease the work of breathing.
2
Correct the life-threatening hypoxia.
Apply high-flow supplemental oxygen.
The client has pink, frothy sputum indicating alveolar fluid; high-flow oxygen is required to immediately improve gas exchange.
3
Assess baseline hemodynamic stability.
Obtain a complete set of vital signs.
The nurse must know the client's blood pressure and heart rate before giving medications that alter fluid volume and vascular resistance.
4
Implement prescribed pharmacological therapy.
Administer the intravenous rapid-acting loop diuretic.
The diuretic will pull fluid from the pulmonary circulation, treating the underlying cause of the acute decompensation.
5
Evaluate the response to treatment.
Initiate strict measurement of hourly urine output.
Strict intake and output monitoring is necessary to measure the efficacy of the loop diuretic and ongoing fluid status.

Anahtar Kavram

Prioritization of nursing interventions for acute pulmonary edema.
Soru 850Soru →

A nurse is preparing a client with cirrhosis for a bedside paracentesis to relieve severe ascites. To reduce the risk of procedural complications and establish an accurate baseline for post-procedure evaluation, in what order should the nurse complete the following actions? Arrange the steps from first to last.

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The correct sequence is: Verify informed consent, instruct the client to empty their bladder, obtain baseline measurements, and finally position the client upright on the edge of the bed.
This sequence ensures legal safety, physical safety, accurate baseline data, and procedural readiness. Verifying consent is always the first administrative step. Emptying the bladder is the most critical physical safety step to prevent accidental puncture. Baseline measurements must be taken after the bladder is empty to ensure accuracy. Finally, positioning the client upright uses gravity to pool the fluid in the lower abdomen for safe removal.

Adım Adım Çözüm

1
Verify that the informed consent document has been signed and witnessed.
Administrative and legal prerequisites for the procedure are cleared.
Informed consent must always be verified before beginning any preparation for an invasive procedure.
2
Instruct the client to completely empty their urinary bladder.
The bladder decompresses and rests safely low within the pelvic cavity.
A full bladder extends upward into the abdominal cavity, which greatly increases the risk of accidental puncture by the paracentesis needle.
3
Obtain the client's baseline vital signs, weight, and abdominal girth.
Accurate pre-procedure clinical baselines are recorded without the confounding weight of urine.
Measurements must be taken after voiding so urine weight does not skew the data. These baselines are crucial for monitoring potential hypovolemia as fluid is removed.
4
Position the client sitting upright on the edge of the bed with feet supported.
The client is in the optimal anatomical position for the procedure.
The upright position allows gravity to pool the ascitic fluid in the lower abdomen, making needle insertion safer and fluid drainage more efficient.

Anahtar Kavram

When preparing a client for a paracentesis, the primary risk reduction strategy is ensuring the bladder is completely empty to prevent perforation. Accurate baseline measurements must follow voiding, and the client is then positioned upright to facilitate gravity drainage.
Tahmini Süre:1m 0s
Soru 851Soru →

A nurse in the emergency department is caring for a client who presents with lethargy, deep and rapid respirations, and a blood glucose level of 580 mg/dL580\text{ mg/dL}. The healthcare provider diagnoses diabetic ketoacidosis (DKA). Arrange the following nursing actions in the correct priority order from first to last.

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Cevap

The correct sequence of actions prioritizes the airway and breathing first, followed by establishing venous access, restoring vascular volume with isotonic saline, administering intravenous insulin, and finally adding dextrose when blood glucose reaches 250 mg/dL250\text{ mg/dL}.
The correct sequence strictly follows the ABCs (Airway, Breathing, Circulation) and specific DKA protocols. Airway and breathing are always assessed first. IV access allows for both blood sampling and immediate intervention. Fluid resuscitation is the primary medical intervention to correct severe dehydration and hypovolemia before administering insulin. Regular insulin is then given to halt ketosis. Finally, dextrose is added when blood glucose drops to 250 mg/dL250\text{ mg/dL} to prevent hypoglycemia and cerebral edema.

Adım Adım Çözüm

1
Prioritize Airway and Breathing
Assessing airway and oxygenation is completed first.
Basic life support principles dictate that airway and breathing (ABCs) take precedence over all other interventions.
2
Address Circulation and Diagnostics
IV access is obtained and baseline labs are drawn.
Circulation must be secured next to allow for life-saving interventions, and baseline electrolytes (especially potassium) must be known before initiating insulin therapy.
3
Restore Vascular Volume
An isotonic saline bolus is administered.
Severe dehydration is a hallmark of DKA. Rapid fluid resuscitation restores tissue perfusion and helps clear ketones.
4
Correct Hyperglycemia and Ketosis
IV regular insulin is started.
Insulin stops lipolysis and ketogenesis, directly treating the underlying cause of DKA.
5
Prevent Hypoglycemia
Dextrose is added to IV fluids when glucose drops to 250 mg/dL250\text{ mg/dL}.
Rapid drops in blood glucose can cause fatal cerebral edema, so dextrose provides a buffer while insulin continues to clear ketones.

Anahtar Kavram

The priority management of Diabetic Ketoacidosis (DKA) follows the ABCs, prioritizing fluid resuscitation before insulin therapy, and preventing complications like hypoglycemia.
Soru 852Soru →

A nurse is providing care for a client with a T4 spinal cord injury. The client suddenly reports a severe, throbbing headache and blurred vision. Assessment reveals profuse diaphoresis above the level of the injury, a heart rate of 48 beats/min48 \text{ beats/min}, and a blood pressure of 218/114 mm Hg218/114 \text{ mm Hg}. Arrange the following nursing interventions in the order they should be prioritized from first to last.

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Cevap

The correct sequence for managing autonomic dysreflexia is: elevate the head of the bed, loosen constrictive clothing, check the bladder for distention, evaluate the bowel for impaction, and finally administer antihypertensive medications if non-pharmacological measures fail.
In autonomic dysreflexia, a massive, uncompensated cardiovascular response occurs due to stimulation of the sympathetic nervous system below the level of injury. The immediate goal is to mitigate the severe hypertension to prevent a stroke, which is achieved by sitting the client upright. Subsequently, the nurse must act rapidly to find and eliminate the cause, progressing from the most easily correctable external factors (clothing) to the most common internal factors (bladder, then bowel). Medications are reserved for refractory cases where stimulus removal is inadequate.

Adım Adım Çözüm

1
Elevate the head of the bed to a high-Fowler's position.
Takes advantage of orthostatic hypotension to rapidly lower the elevated blood pressure.
This is a life-threatening emergency. The primary risk is a cerebrovascular accident (stroke) from the severe hypertension. Postural changes offer the fastest initial blood pressure reduction.
2
Loosen all constrictive clothing and bedding.
Removes external sensory triggers.
Autonomic dysreflexia is triggered by noxious stimuli below the level of the spinal cord injury. Removing external pressure points is a rapid, non-invasive way to eliminate potential triggers.
3
Assess the urinary system.
Identifies if bladder distention is the trigger.
A distended bladder is the most frequent cause of this condition. Checking for catheter kinks or performing straight catheterization removes this stimulus.
4
Assess the bowel for impaction.
Identifies if fecal impaction is the trigger.
Bowel impaction is the second most common cause. It must be addressed systematically if the bladder is not the source.
5
Administer antihypertensive medication.
Lowers blood pressure pharmacologically.
Medications are used only if nursing interventions to remove the noxious stimuli fail to relieve the hypertensive crisis.

Anahtar Kavram

Autonomic dysreflexia is a medical emergency in clients with spinal cord injuries at T6 or above. It requires immediate positioning to lower blood pressure, followed by the systematic identification and removal of the triggering noxious stimulus (usually bladder or bowel).
Soru 853Soru →

A nurse is caring for a client receiving an intravenous infusion of a cephalosporin antibiotic. The client suddenly reports a feeling of impending doom, throat tightness, and becomes visibly dyspneic with audible wheezing. The client's blood pressure is 85/50 mm Hg, and heart rate is 128 beats/minute. Arrange the following nursing actions in the priority order they should be performed. (Place the first action at the top and the last action at the bottom.)

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Cevap

The correct sequence is: Stop the infusion, ensure airway and apply oxygen, administer intramuscular epinephrine, initiate an intravenous fluid bolus, and finally administer adjunctive medications like diphenhydramine and corticosteroids.
The correct sequence strictly adheres to emergency management protocols for anaphylaxis: eliminate the inciting trigger first, secure Airway and Breathing (oxygen), administer the definitive pharmacological treatment (epinephrine), support Circulation (IV fluids for hypotension), and conclude with adjunctive therapies to prevent recurrence.

Adım Adım Çözüm

1
Analyze the clinical scenario and identify the acute complication.
The client is experiencing anaphylactic shock, characterized by throat tightness, wheezing, hypotension, and tachycardia triggered by an intravenous antibiotic.
Recognizing the pattern of anaphylaxis dictates the immediate emergency response algorithm.
2
Prioritize interventions based on the ABCs (Airway, Breathing, Circulation) and removal of the trigger.
Stopping the infusion (trigger) must come first, followed immediately by airway management and oxygenation (Airway/Breathing).
Continuing the infusion worsens the reaction. Without a patent airway and oxygen, the client will rapidly deteriorate regardless of other medications.
3
Determine the pharmacological prioritization for anaphylactic shock.
Epinephrine is the first-line drug (Circulation/Breathing support), followed by IV fluids to correct the distributive shock, and then adjunctive medications.
Epinephrine directly reverses life-threatening bronchospasm and vasodilation. IV fluids restore intravascular volume. Diphenhydramine and steroids are slow-acting and secondary.

Anahtar Kavram

Prioritization of emergency interventions in anaphylactic shock
Tahmini Süre:1m 30s
Soru 854Soru →

A nurse enters the room of a client receiving total parenteral nutrition via a right subclavian central venous catheter. The nurse discovers that the intravenous tubing has completely disconnected from the catheter hub. The client is suddenly extremely anxious, gasping for air, and cyanotic, with a rapidly dropping blood pressure. Arrange the following emergency nursing actions in the priority sequence they should be performed. (Place the most immediate priority action at the top).

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Cevap

The correct emergency sequence is to first clamp the catheter to stop the source of the air leak, then position the client in the left lateral Trendelenburg position to trap the embolus, administer high-flow oxygen to treat hypoxia, activate the rapid response team for emergency assistance, and finally monitor hemodynamics to prepare for advanced support.
The priority in managing a central venous air embolism is to immediately stop the source of air entrainment by clamping the disconnected catheter. Following this, positioning the client in the left lateral Trendelenburg position (Durant's maneuver) is critical because it utilizes gravity to trap the air bubble in the apex of the right ventricle, preventing it from migrating into the pulmonary artery and causing obstructive shock. Once the physical source and anatomical risks are mitigated, applying 100% oxygen treats the resulting hypoxia and accelerates the resorption of nitrogen gas from the embolus. After these immediate life-saving actions are complete, the nurse must activate the rapid response team to escalate care, followed by continuous assessment and preparation of vasopressors to manage ongoing hemodynamic instability.

Adım Adım Çözüm

1
Clamp the central venous catheter immediately.
Halts the continuous entry of room air into the central venous system.
Addressing the immediate source of the crisis prevents the air embolus from expanding and causing further physiological collapse.
2
Place the client in a left lateral Trendelenburg position.
Displaces the intravascular air bubble away from the pulmonary valve.
Gravity forces the lighter air to rise into the apex of the right atrium and right ventricle, preventing a fatal right ventricular outflow tract obstruction into the pulmonary circulation.
3
Administer 100% oxygen via a non-rebreather mask.
Maximizes alveolar oxygen concentration.
Reverses profound tissue hypoxia and creates a diffusion gradient that pulls nitrogen out of the trapped air embolus, accelerating its resorption.
4
Activate the rapid response team and notify the healthcare provider.
Mobilizes critical care providers and advanced resuscitation equipment.
Definitive medical intervention and potential transfer to an intensive care unit are required immediately after independent nursing actions are completed.
5
Assess vital signs and prepare for hemodynamic support.
Establishes baseline clinical parameters post-intervention.
Identifies profound obstructive shock that may require immediate vasopressor administration or fluid volume resuscitation.

Anahtar Kavram

Management of Central Venous Air Embolism and Obstructive Shock
Tahmini Süre:2m 0s
Soru 855Soru →

A nurse is preparing to deliver an intermittent antibiotic infusion into an existing continuous intravenous line utilizing the backpriming technique. Arrange the following actions in the correct chronological sequence.

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Cevap

The correct sequence is: Confirm compatibility, close the clamp and spike the bag, scrub the injection port, connect and lower the container to backprime, and finally hang the container above the primary bag and program the pump.
Safe intravenous administration requires a systematic approach. The nurse must first ensure compatibility between the primary and secondary fluids. Next, the equipment is prepared by closing the secondary clamp and spiking the bag. Aseptic technique is then maintained by scrubbing the primary port before connection. Connecting the tubing and lowering the secondary bag allows backpriming, which effectively clears air from the line without wasting any medication. Finally, hanging the secondary bag higher than the primary bag ensures the secondary medication infuses first due to gravity, and the pump is programmed to deliver the prescribed dose.

Adım Adım Çözüm

1
Confirm the compatibility of the prescribed antibiotic with the current continuous intravenous fluid.
Ensures the two solutions will not react or precipitate.
Patient safety is prioritized by avoiding dangerous chemical incompatibilities within the infusion system.
2
Close the roller clamp on the new tubing and spike the antibiotic fluid container.
The secondary equipment is prepared without spilling medication.
Closing the clamp prevents the medication from running out immediately upon spiking the container.
3
Scrub the uppermost injection port on the primary IV tubing with an antimicrobial swab.
The access point is disinfected.
Strict aseptic technique prevents the introduction of pathogens into the patient's bloodstream.
4
Connect the new tubing to the injection port and lower the antibiotic container below the primary bag to backprime.
Air is cleared from the secondary tubing.
Backpriming uses the primary fluid to clear the line, preventing both air embolisms and the loss of any medication.
5
Hang the antibiotic container on the pole above the primary bag and program the infusion pump.
The setup is complete and ready to infuse.
The secondary bag must be physically higher than the primary bag to exert greater hydrostatic pressure, allowing it to infuse first.

Anahtar Kavram

Intravenous Piggyback (IVPB) Administration and Backpriming
Soru 856Soru →

A nurse is assessing a client who underwent an exploratory laparotomy three days ago. The client suddenly coughs and reports a sensation of 'giving way' in the abdomen. The nurse inspects the surgical site and observes that a loop of bowel is protruding from the incision. Arrange the following nursing interventions in the correct chronological sequence to mitigate the risk of severe complications.

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The correct sequence is to first stay with the client and call for help, then position the client to reduce abdominal tension, cover the eviscerated organs with sterile saline dressings, assess vital signs for shock, and finally prepare the client for emergency surgery.
Wound evisceration is a critical surgical complication requiring rapid, sequential intervention to reduce risk. The immediate priority is maintaining client safety by staying with them and calling for assistance. The next priority is anatomical positioning (low Fowler's with flexed knees) to decrease abdominal tension and prevent further evisceration. Once sterile supplies are brought to the room, the exposed bowel must be protected from drying and infection using saline-soaked sterile dressings. After securing the local wound site, the nurse assesses systemic status via vital signs to monitor for shock, and then prepares the client for definitive surgical repair.

Adım Adım Çözüm

1
Stay with the client and call for help.
Assistance is secured while the client is continuously monitored.
Leaving the client increases anxiety and risks further injury; help is needed to gather emergency supplies.
2
Place the client in a low Fowler's position with flexed knees.
Abdominal muscle tension is minimized.
Reducing intra-abdominal pressure prevents further evisceration of the intestines.
3
Cover the viscera with sterile, saline-moistened dressings.
The exposed organs are protected from the environment.
Moisture prevents tissue necrosis, and sterile technique reduces the risk of massive infection.
4
Assess vital signs and oxygenation.
Baseline physiological status during the emergency is established.
Monitoring for tachycardia and hypotension helps detect the onset of shock.
5
Prepare for emergency surgical intervention.
The client is readied for transport to the operating room.
Evisceration requires immediate surgical closure to restore physiological integrity.

Anahtar Kavram

Wound Evisceration Emergency Management
Tahmini Süre:1m 30s
Soru 857Soru →

A nurse is performing a tubing change on a client's central venous catheter. The client suddenly gasps, reports severe chest pain, and exhibits acute dyspnea. Suspecting an air embolism, arrange the following nursing actions in the correct priority order from first to last.

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The correct sequence of actions for a suspected air embolism is to first clamp the catheter, then position the client on their left side with the head lower than the feet, followed by administering high-flow oxygen, and finally activating the rapid response team.
When an air embolism is suspected during a central line procedure, the nurse must immediately stop the source by clamping the catheter. Next, positioning the client in a left lateral Trendelenburg position traps the air in the right ventricle, preventing it from entering the pulmonary artery. Administering oxygen is the next priority to treat hypoxia and shrink the nitrogen bubble. Finally, escalating care by activating the rapid response team ensures advanced medical support.

Adım Adım Çözüm

1
Clamp the catheter
Halts the entry of additional air into the venous system
Addresses the root cause immediately to prevent the embolism from worsening.
2
Position the client in left lateral Trendelenburg
Traps the air in the right ventricle
Uses gravity and anatomy to prevent the air bubble from entering the pulmonary artery and causing a right ventricular outflow tract obstruction.
3
Administer 100% oxygen
Improves oxygenation and creates a nitrogen gradient
Treats systemic hypoxia and helps dissolve the nitrogen portion of the air bubble into the bloodstream.
4
Activate rapid response
Escalates the level of care
Brings advanced medical support and providers to manage potential cardiovascular collapse.

Anahtar Kavram

Immediate mitigation of a suspected air embolism involves stopping the air entry and properly positioning the client before seeking further medical assistance.
Tahmini Süre:1m 0s
Soru 858Soru →

A nurse is preparing to administer a mixture of regular insulin and NPH insulin to a client with type 2 diabetes mellitus. Arrange the following steps for drawing up these insulins in a single syringe in the correct chronological order.

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The correct sequence for mixing insulin is: roll the NPH vial, inject air into the NPH vial, inject air into the regular insulin vial, withdraw the regular insulin, and finally withdraw the NPH insulin.
When mixing NPH (cloudy) and regular (clear) insulin, the standard safety protocol is 'clear before cloudy' for drawing the medication, but 'cloudy before clear' for injecting air. The sequence begins by rolling the NPH suspension to mix it. Next, air is injected into the NPH vial without touching the fluid. The needle is removed, and air is then injected into the regular insulin vial. The regular (clear) insulin is drawn up first to prevent contaminating the rapid/short-acting vial with the longer-acting NPH protein. Finally, the NPH (cloudy) insulin is drawn into the syringe.

Adım Adım Çözüm

1
Roll the NPH insulin vial gently between the palms of the hands.
The NPH insulin suspension is evenly mixed without creating air bubbles.
NPH is a suspension that settles when stationary; rolling ensures an accurate dose while avoiding foam that shaking would cause.
2
Inject air equal to the prescribed dose into the NPH insulin vial.
The NPH vial is pressurized for later withdrawal.
Injecting air prevents a vacuum from forming when fluid is removed. Doing this first prevents contamination of the clear insulin.
3
Inject air equal to the prescribed dose into the regular insulin vial.
The regular insulin vial is pressurized.
This prepares the clear insulin vial for immediate fluid withdrawal in the following step.
4
Invert the regular insulin vial and withdraw the prescribed dose.
The syringe contains the required amount of regular (clear) insulin.
Drawing the clear insulin first guarantees that no cloudy insulin is accidentally introduced into the rapid- or short-acting insulin vial.
5
Insert the needle into the NPH insulin vial and withdraw the prescribed dose.
The total combined dose is now in the syringe.
The cloudy insulin is drawn last. Since the vial was already pressurized with air in step 2, fluid can be withdrawn easily.

Anahtar Kavram

Safe Medication Administration: Mixing Insulins (Clear Before Cloudy)
Soru 859Soru →

A registered nurse is preparing to reconstitute a powdered parenteral medication using a multidose vial of sterile water for injection. Arrange the following procedural steps in the correct chronological order from first to last.

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The correct sequence for medication reconstitution is: cleanse the vial stoppers, draw air into the syringe, inject air into the diluent vial and withdraw the fluid, inject the diluent into the powder vial, and finally, gently roll the vial to dissolve the medication.
Safe and effective medication reconstitution requires a standardized aseptic sequence. First, the nurse must ensure asepsis by cleansing the stoppers. Next, drawing up and injecting an equivalent volume of air into the diluent vial prevents a vacuum, facilitating the smooth withdrawal of the sterile water. Once the proper amount of diluent is withdrawn, it is injected into the powdered medication vial. Finally, rolling the vial gently ensures the medication dissolves evenly without creating froth or bubbles, allowing for a precise and accurate dose to be drawn up subsequently.

Adım Adım Çözüm

1
Cleanse the rubber stoppers of both the powdered medication and diluent vials with an antiseptic swab.
The access surfaces of both vials are sanitized.
Maintains asepsis prior to piercing the stoppers with a sterile needle, preventing contamination.
2
Draw a volume of air into the syringe equal to the prescribed amount of diluent required.
The syringe contains the necessary volume of air.
Prepares the syringe to pressurize the diluent vial and prevents a vacuum effect during fluid withdrawal.
3
Inject the air into the diluent vial and withdraw the specified volume of sterile water.
The exact prescribed volume of liquid diluent is obtained in the syringe.
The injected air equalizes internal vial pressure, making fluid withdrawal smooth and measuring accurate.
4
Inject the withdrawn sterile water into the vial containing the powdered medication.
The diluent mixes with the dry powder.
Introduces the liquid base required to reconstitute the solid medication into an administrable solution.
5
Gently roll the medication vial between the palms until the powder is completely dissolved.
The medication is fully dissolved into a clear, uniform solution ready to be drawn up for administration.
Rolling prevents the formation of bubbles or froth that vigorous shaking might cause, which could lead to inaccurate dosing.

Anahtar Kavram

Medication Reconstitution Procedure
Soru 860Soru →

A nurse is caring for a client with a spinal cord injury at the T4 level. The client suddenly reports a severe, pounding headache and becomes profusely diaphoretic above the level of injury. The client's blood pressure is 210/110 mmHg and heart rate is 52 bpm. In what order should the nurse perform the following actions? Arrange the actions in chronological sequence from first to last.

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The correct sequence is: elevate the head of the bed to 90 degrees, assess for and relieve the underlying noxious stimulus, administer the prescribed short-acting antihypertensive medication, and document the occurrence, interventions, and the client's response.
Autonomic dysreflexia is a medical emergency characterized by severe hypertension and bradycardia in clients with spinal cord injuries at or above the T6 level. The immediate priority is to lower the blood pressure by placing the client in a high Fowler's position (90 degrees) to induce orthostasis. Next, the nurse must identify and remove the noxious stimulus, such as bladder distention or a kinked catheter, which is the underlying cause of the sympathetic surge. If these conservative measures do not resolve the severe hypertension, a prescribed short-acting antihypertensive medication is administered. Finally, the nurse documents the event once the client's condition is stable.

Adım Adım Çözüm

1
Identify the clinical presentation as autonomic dysreflexia.
The client's severe headache, severe hypertension, bradycardia, and diaphoresis above a T4 injury indicate autonomic dysreflexia.
Recognizing the life-threatening nature of this condition dictates the urgency and appropriate sequence of nursing interventions.
2
Determine the most immediate action to mitigate the greatest risk.
Elevating the head of the bed to 90 degrees is the first priority.
This utilizes gravity to pool blood in the lower extremities, which rapidly decreases blood pressure and reduces the immediate risk of an intracranial hemorrhage or stroke.
3
Identify subsequent actions to resolve the root cause and provide further treatment.
Assess for and remove noxious stimuli, followed by administering medications if needed, and finally documenting the event.
Removing the stimulus (e.g., unkinking a catheter) breaks the sympathetic reflex arc. Antihypertensive medications are utilized if the blood pressure remains elevated despite conservative measures. Documentation is completed after the client is stable.

Anahtar Kavram

Management of autonomic dysreflexia involves immediate positional changes to lower blood pressure, followed by identification and removal of the triggering stimulus.
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