Physiological Integrity

1313 soru

Soru 1141Soru →

During an afternoon shift on a long-term care unit, a resident who underwent a left-eye cataract removal earlier that morning asks for help getting comfortable in bed. Which positioning technique should the practical nurse use for this resident?

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Cevap: Elevate the head of the bed to 30 degrees and position the resident on their right side.

Cevap

The correct strategy is to elevate the head of the bed to 30 degrees and position the resident on their right side (the unoperated side).
Following cataract surgery, the primary goal of positioning is to prevent an increase in intraocular pressure (IOP) and to protect the surgical site from physical trauma. Elevating the head of the bed to at least 30 degrees (Semi-Fowler's position) promotes venous drainage from the head, which naturally reduces IOP. Furthermore, positioning the client on the unoperated (right) side prevents direct weight and pressure from being applied to the healing surgical (left) eye.

Adım Adım Çözüm

1
Identify the surgical procedure and the affected side.
The client had a left-eye cataract removal.
Determining the operative side is essential to avoid placing pressure on the surgical site during rest.
2
Determine the primary physiological goal for positioning this client.
The goal is to prevent any increase in intraocular pressure (IOP) and protect the operative eye from injury.
Increased IOP can rupture the surgical incision, leading to vision loss and severe complications.
3
Select the position that meets these criteria while promoting comfort.
A Semi-Fowler's position on the non-operative (right) side or directly on the back is appropriate.
Elevating the head promotes venous drainage from the head, naturally lowering IOP, while avoiding the left side prevents accidental trauma to the healing eye.

Anahtar Kavram

Postoperative Positioning for Cataract Surgery
Soru 1142Soru →

While monitoring an older adult client who had a bowel resection earlier today, the practical nurse (PN) reviews the most recent vital signs and clinical data. The client is at increased risk for hypovolemic shock due to surgical blood loss. Which assessment finding should the PN identify as the body's earliest physiological adaptation to fluid volume deficit?

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Cevap: A resting heart rate that increases from 76 to 114 beats per minute

Cevap

The correct answer is a resting heart rate that increases from 76 to 114 beats per minute.
As blood volume decreases, the body's earliest physiological adaptation is to stimulate the sympathetic nervous system. This causes an increase in the heart rate (tachycardia) in an attempt to maintain cardiac output and ensure adequate oxygen delivery to vital organs. Recognizing this early sign allows the nurse to intervene promptly before irreversible shock occurs.

Adım Adım Çözüm

1
Identify the client's primary physiological risk.
The client had major surgery and is at risk for hypovolemic shock.
Surgical procedures often involve significant blood loss, which can lead to a decreased intravascular volume.
2
Recall the body's initial compensatory response to fluid volume deficit.
The body attempts to compensate for lost fluid volume by stimulating the sympathetic nervous system, increasing the heart rate.
This sympathetic nervous system response helps maintain cardiac output before the blood pressure begins to fall.
3
Evaluate the provided assessment findings to identify the early sign.
An increasing heart rate is an early compensatory sign, whereas a drastic drop in blood pressure is a late sign.
Selecting the early sign ensures timely recognition of shock before tissue damage occurs.

Anahtar Kavram

Early physiological adaptation to hypovolemia involves a compensatory increase in heart rate (tachycardia) to maintain cardiac output and tissue perfusion.
Tahmini Süre:45s
Soru 1143Soru →

Upon entering the room of a client who underwent a bowel resection earlier in the shift, the practical nurse observes that the client is unusually restless and continuously picking at the bedsheets. The client's heart rate is 118 beats/min and blood pressure is 102/64 mm Hg, which represents a change from preoperative readings of 82 beats/min and 138/78 mm Hg. The client repeatedly states, 'I feel so thirsty.' Which action should the practical nurse take first?

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Cevap: Check the abdominal dressing and any surgical drains for excessive bleeding.

Cevap

The correct action is to check the abdominal dressing and any surgical drains for excessive bleeding.
The client is demonstrating early signs of hypovolemic shock, including an increased heart rate, borderline hypotension, restlessness, and severe thirst. In the postoperative period, these symptoms strongly suggest internal or external hemorrhage. The practical nurse must prioritize Circulation (ABCs) and immediately assess the surgical site and drains for bleeding to gather essential data for the registered nurse and healthcare provider.

Adım Adım Çözüm

1
Analyze the client's clinical presentation and vital signs.
The client shows a significantly increased heart rate, decreased blood pressure, restlessness, and severe thirst compared to baseline.
Identifying acute changes from baseline is the first step in recognizing clinical deterioration.
2
Correlate the symptoms with potential postoperative complications.
The combination of tachycardia, borderline hypotension, altered mental status (restlessness), and thirst strongly indicates early hypovolemic shock.
Understanding the physiological meaning behind symptom clusters allows the nurse to anticipate the underlying problem.
3
Determine the priority nursing intervention.
The most appropriate action is to immediately inspect the surgical site for active bleeding before notifying the registered nurse.
Gathering focused data related to the suspected hemorrhage is essential for safe and effective collaborative care.

Anahtar Kavram

Recognition of Early Shock and Hemorrhage
Tahmini Süre:1m 0s
Soru 1144Soru →

A practical nurse (PN) is administering an intramuscular (IM) injection of iron dextran, a medication known to cause severe skin irritation and staining, to an adult client. The PN will utilize the Z-track method. Arrange the following steps of this procedure in the correct chronological order.

Öğeleri doğru sıraya koymak için sürükleyin

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Cevap

The correct chronological order is: Prepare the site and don gloves; pull the skin laterally; insert the needle and inject slowly; wait 10 seconds; withdraw the needle and release the skin; and finally, apply light pressure without massaging.
The Z-track method requires strict adherence to a specific chronological sequence to prevent medication leakage. The site must first be prepared. Then, tissue displacement occurs to misalign the layers. The injection is given, followed by a mandatory 10-second wait to allow dispersion. Crucially, the needle withdrawal and tissue release must happen simultaneously to break the track. Finally, gentle pressure is applied, but the site must never be massaged to avoid pushing the medication out of the muscle.

Adım Adım Çözüm

1
Select site and apply standard precautions.
The ventrogluteal site is prepared, minimizing the risk of infection.
Hand hygiene, gloving, and site identification are universal prerequisites for any parenteral administration.
2
Displace the skin and tissue laterally by 1 to 1.5 inches.
The skin and subcutaneous layers are shifted out of their normal alignment with the underlying muscle.
This is the foundational step of the Z-track method, preparing the offset track that will seal the medication.
3
Insert the needle at a 90-degree angle and inject slowly.
The medication is delivered deep into the ventrogluteal muscle.
A 90-degree angle ensures intramuscular delivery, and a slow injection rate minimizes pain and tissue trauma.
4
Wait 10 seconds before removing the needle.
The medication disperses into the muscle belly.
Allowing time for dispersion reduces the risk of the medication tracking back up the needle pathway upon withdrawal.
5
Withdraw the needle and simultaneously release the displaced skin.
The tissue layers slide back into their original anatomical positions.
This breaks the needle track alignment (creating the 'Z' shape), physically sealing the irritating medication inside the muscle layer and preventing seepage.
6
Apply gentle pressure without massaging.
The site is secured without disrupting the trapped medication.
Massage is strictly contraindicated because it can force the medication out of the muscle and into the subcutaneous tissue, causing the severe irritation or staining that the Z-track method is designed to prevent.

Anahtar Kavram

The Z-track intramuscular injection method is utilized to administer highly irritating or staining medications, sealing the drug deep within the muscle tissue to protect superficial layers.
Tahmini Süre:2m 0s
Soru 1145Soru →

A practical nurse is providing basic care for a client who is two days postoperative following a right total hip arthroplasty (posterior approach). Which of the following care and positioning interventions should the nurse include in the client's daily routine? Select all that apply.

Geçerli olan tümünü seçin

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Cevap: Place an abduction wedge between the client's legs while resting in bed.; Provide a raised toilet seat for the client's bowel and bladder elimination needs.; Remind the client to avoid crossing their legs at the ankles or knees while sitting.

Cevap

The correct interventions are placing an abduction wedge between the legs, providing a raised toilet seat, and reminding the client not to cross their legs.
Following a posterior approach total hip arthroplasty, the client is at high risk for joint dislocation if the hip is flexed beyond 90 degrees, adducted across the body's midline, or internally rotated. Using an abduction wedge prevents adduction. Providing a raised toilet seat keeps the hip flexion angle safe during elimination. Instructing the client not to cross their legs prevents both adduction and internal rotation. All of these interventions are essential basic care measures to ensure safety and comfort.

Adım Adım Çözüm

1
Identify the surgical procedure and the associated anatomical risks.
The client had a total hip arthroplasty using a posterior approach.
Different surgical approaches have different postoperative precautions. The posterior approach requires strict avoidance of severe hip flexion, adduction, and internal rotation.
2
Evaluate each care intervention against posterior hip precautions.
Interventions preventing flexion greater than 90 degrees, adduction, and internal rotation are safe. Interventions causing these movements are contraindicated.
Adhering to strict positioning rules prevents dislocation of the newly placed prosthetic joint.
3
Select the options that promote safety and comfort without violating precautions.
Using an abduction wedge, using a raised toilet seat, and avoiding leg crossing are all necessary protective measures.
These actions integrate essential joint protection into routine daily basic care.

Anahtar Kavram

Postoperative Basic Care and Joint Precautions for Total Hip Arthroplasty
Soru 1146Soru →

A practical nurse (PN) is collecting data on a client who had an ileostomy created three days ago. The client has had a high volume of liquid ostomy output over the past 12 hours. Which of the following clinical findings should the PN identify as early indicators of fluid volume deficit? Select all that apply.

Geçerli olan tümünü seçin

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Cevap: Heart rate of 118 beats/minute; Dry, sticky oral mucous membranes; Dark amber, concentrated urine

Cevap

The correct indicators of fluid volume deficit are a heart rate of 118 beats/minute, dry, sticky oral mucous membranes, and dark amber, concentrated urine.
The correct options represent the body's direct physiological and compensatory responses to significant fluid loss. A heart rate of 118 beats/minute demonstrates the cardiovascular system's immediate attempt to maintain cardiac output. Dry mucous membranes reflect the systemic depletion of interstitial fluids. Dark, concentrated urine indicates that the kidneys are appropriately compensating by conserving water to prevent further volume loss.

Adım Adım Çözüm

1
Analyze the client's clinical risk factors based on the scenario.
The client has a new ileostomy with a high volume of liquid output over 12 hours, placing them at significant risk for hypovolemia (fluid volume deficit).
Identifying the primary risk factor guides the assessment toward recognizing signs of dehydration and circulatory compromise.
2
Evaluate each assessment finding against the expected physiological manifestations of fluid volume deficit.
Tachycardia, dry mucous membranes, and concentrated urine align with fluid loss. Hypertension, normal capillary refill, and localized pain do not indicate systemic fluid depletion.
The body compensates for fluid loss by increasing the heart rate, conserving water via the renal system, and shunting blood away from the periphery, while overall mucosal hydration visibly decreases.

Anahtar Kavram

Identifying the clinical manifestations of fluid volume deficit (hypovolemia) to ensure timely intervention and prevent circulatory collapse.
Soru 1147Soru →

While completing afternoon rounds, a practical nurse evaluates a 72-year-old individual who underwent a right femoral-popliteal bypass graft earlier in the day. The client is displaying new-onset agitation. Current physiological parameters reveal a heart rate of 114 beats per minute, blood pressure of 102/54 mm Hg, and a respiratory rate of 22 breaths per minute. A review of the preoperative record indicates a baseline blood pressure of 146/84 mm Hg. The surgical dressing over the incision site remains clean, dry, and intact. Which clinical action should the practical nurse prioritize?

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Cevap: Communicate the physiological parameters and clinical presentation to the registered nurse immediately.

Cevap

Communicate the physiological parameters and clinical presentation to the registered nurse immediately.
The client is demonstrating early signs of hypovolemic shock (relative hypotension, tachycardia, and agitation) following a major vascular procedure. Because the surgical dressing is dry, internal bleeding at the graft site or retroperitoneal space is highly suspected. Recognizing these subtle signs and immediately escalating the data to the registered nurse is the most critical action to reduce the risk of severe complications and circulatory collapse.

Adım Adım Çözüm

1
Analyze the client's postoperative vital signs and compare them to preoperative baselines.
The heart rate is elevated (114 bpm), and the blood pressure has dropped significantly from 146/84 mm Hg to 102/54 mm Hg.
Identifying relative hypotension and tachycardia is crucial for detecting early circulatory compromise.
2
Correlate the vital sign changes with the client's new-onset agitation and surgical history.
The combination of these findings suggests decreased cerebral perfusion and early hypovolemic shock, likely from internal bleeding at the graft site.
Agitation is a classic early sign of hypoxia and shock, particularly in older adults, even if the external surgical dressing is intact.
3
Determine the appropriate scope of practice and priority action.
The practical nurse must immediately report these critical physiological changes to the registered nurse.
Suspected hypovolemic shock requires immediate RN assessment and potential provider notification for fluid resuscitation or surgical re-evaluation.

Anahtar Kavram

Early Recognition of Postoperative Hypovolemic Shock
Soru 1148Soru →

An older adult client with a history of heart failure is prescribed a daily dose of oral digoxin. Before providing the medication, the practical nurse notes an apical pulse of 74 beats/minute and a newly resulted serum potassium level of 2.8 mEq/L (2.8 mmol/L). Which action should the practical nurse take first?

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Cevap: Defer the medication administration and immediately notify the registered nurse.

Cevap

The practical nurse should defer the digoxin administration and notify the registered nurse because the client is experiencing hypokalemia.
The correct action is to withhold the medication and escalate the finding. A normal serum potassium level is between 3.5 and 5.0 mEq/L. A level of 2.8 mEq/L indicates severe hypokalemia. Low potassium levels make the heart muscle more sensitive to digoxin, which can easily lead to digitalis toxicity and fatal dysrhythmias, even if the actual blood level of digoxin is within a normal therapeutic range. The nurse must protect the client by holding the dose and reporting the lab value.

Adım Adım Çözüm

1
Evaluate the client's apical pulse.
The pulse is 74 beats/minute.
Digoxin is typically withheld if the apical pulse is below 60 beats/minute in an adult. In this case, the heart rate is acceptable for administration.
2
Evaluate the client's laboratory results.
The serum potassium level is 2.8 mEq/L (normal range is typically 3.5 to 5.0 mEq/L).
Identifying abnormal lab values is a critical component of safe medication administration.
3
Correlate the laboratory finding with the prescribed medication.
Hypokalemia increases the myocardium's sensitivity to digoxin, leading to a high risk of toxicity and dangerous dysrhythmias.
Understanding drug-electrolyte interactions prevents adverse pharmacological events.
4
Determine the appropriate nursing intervention.
The nurse must withhold the medication and escalate the finding to the supervising registered nurse or provider.
Acting within the practical nurse scope requires reporting critical abnormalities before proceeding with a potentially harmful intervention.

Anahtar Kavram

Digoxin Administration and Hypokalemia
Soru 1149Soru →

A practical nurse (PN) is preparing to administer amoxicillin/clavulanate to a pediatric client who weighs 31.9 lb31.9\text{ lb}. The healthcare provider prescribed 45 mg/kg/day45\text{ mg/kg/day} by mouth, divided into equal doses to be given every 1212 hours. The pharmacy provides an oral suspension with a concentration of 400 mg/5 mL400\text{ mg}/5\text{ mL}. How many mL\text{mL} should the PN administer for each dose? (Record answer to the nearest tenth. Do not include units in answer.)

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Cevap: 4.1

Cevap

4.1
To accurately determine the required dose volume, the PN must calculate through a multi-step process. First, the child's weight is converted to kilograms (31.9÷2.2=14.5 kg31.9 \div 2.2 = 14.5\text{ kg}). Second, the total daily dose is calculated by multiplying the weight by the prescribed rate (14.5 kg×45 mg/kg=652.5 mg/day14.5\text{ kg} \times 45\text{ mg/kg} = 652.5\text{ mg/day}). Third, because the medication is given every 12 hours, the total daily dose must be divided into 2 doses (652.5÷2=326.25 mg/dose652.5 \div 2 = 326.25\text{ mg/dose}). Finally, the volume needed is found using the desired over have formula or dimensional analysis: (326.25 mg÷400 mg)×5 mL=4.078125 mL(326.25\text{ mg} \div 400\text{ mg}) \times 5\text{ mL} = 4.078125\text{ mL}. Rounding to the nearest tenth results in 4.14.1.

Adım Adım Çözüm

1
Convert the client's weight from pounds to kilograms.
31.9 lb÷2.2 lb/kg=14.5 kg31.9\text{ lb} \div 2.2\text{ lb/kg} = 14.5\text{ kg}
Weight-based dosing formulas require the client's weight in kilograms to ensure accurate dosage.
2
Calculate the total daily dose.
14.5 kg×45 mg/kg/day=652.5 mg/day14.5\text{ kg} \times 45\text{ mg/kg/day} = 652.5\text{ mg/day}
The prescription is written as a total amount of medication per kilogram per day.
3
Calculate the amount for a single dose.
652.5 mg/day÷2 doses/day=326.25 mg/dose652.5\text{ mg/day} \div 2\text{ doses/day} = 326.25\text{ mg/dose}
The medication is to be given every 12 hours, which equals 2 doses per 24-hour period.
4
Calculate the volume for the single dose.
326.25 mg×5 mL400 mg=1631.25400=4.078125 mL326.25\text{ mg} \times \frac{5\text{ mL}}{400\text{ mg}} = \frac{1631.25}{400} = 4.078125\text{ mL}
Use the concentration provided by the pharmacy (400 mg/5 mL400\text{ mg}/5\text{ mL}) to convert the ordered dose into the volume to administer.
5
Round the final answer.
4.1 mL4.1\text{ mL}
The prompt explicitly instructs to record the answer to the nearest tenth.

Anahtar Kavram

Pediatric Weight-Based Dosage Calculation
Soru 1150Soru →

Following a right eye retinal detachment repair utilizing an intraocular gas bubble injection (pneumatic retinopexy), a client is transferred to the surgical unit. The provider's prescriptions specify strict positioning to ensure the gas bubble maintains continuous contact with the posterior retina. Which of the following positions should the practical nurse assist the client to maintain?

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Cevap: A prone position in bed or seated with the head resting face-down on a padded overbed table.

Cevap

The correct action is to assist the client into a face-down (prone) position or have them sit leaning forward with their head resting face-down.
Because an intraocular gas bubble floats upward, the client must be maintained in a face-down (prone) position. This specific orientation makes the posterior aspect of the eye the highest point, allowing the buoyant gas to rise and maintain continuous pressure against the posterior retina to promote reattachment.

Adım Adım Çözüm

1
Analyze the therapeutic purpose of the intraocular gas bubble in the clinical scenario.
The gas bubble is injected to apply pressure (tamponade) to the torn or detached retina on the posterior aspect of the eye, holding it in place while it heals.
Understanding the physical goal of the procedure is essential for determining the correct nursing intervention for positioning.
2
Apply the basic principles of physics regarding gas buoyancy to the client's anatomy.
Because gas is lighter than intraocular fluid, the bubble will always float upward. Therefore, the target area (the posterior retina) must be oriented as the highest point of the eye.
Physiological positioning must align with gravitational forces to ensure the treatment is effective.
3
Evaluate the provided positioning options to find which one makes the back of the eye the highest point.
A prone (face-down) position rotates the eyeball so the posterior aspect faces upward, ensuring the buoyant gas bubble floats up and presses directly against the targeted surgical site.
Positions like supine, lateral, or high-Fowler's would cause the bubble to float to the front, side, or top of the eye respectively, rendering the procedure ineffective and potentially causing harm.

Anahtar Kavram

Postoperative basic care and positioning following pneumatic retinopexy requires strict face-down (prone) positioning to utilize gas buoyancy to tamponade the posterior retina.
Tahmini Süre:1m 30s
Soru 1151Soru →

An older adult client is receiving care on a medical-surgical unit two days after a partial gastrectomy. The practical nurse (PN) notes that the client has become newly agitated. Current vital signs reveal a heart rate of 118 beats/min, a respiratory rate of 26 breaths/min, and a blood pressure of 92/54 mmHg. The client's vital signs from four hours ago were a heart rate of 82 beats/min, a respiratory rate of 16 breaths/min, and a blood pressure of 128/74 mmHg. Which of the following actions should the PN take? (Select all that apply.)

Geçerli olan tümünü seçin

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Cevap: Notify the registered nurse (RN) immediately regarding the acute changes in the client's condition.; Check the client's surgical incision and abdominal dressings for signs of active bleeding.; Apply the prescribed supplemental oxygen to support tissue perfusion.

Cevap

The correct actions are to notify the registered nurse, check the surgical site for bleeding, and apply prescribed supplemental oxygen.
The correct actions prioritize immediate safety, targeted data collection, and rapid escalation. The client's new-onset agitation, tachycardia, hypotension, and tachypnea strongly suggest hypovolemic shock, possibly from internal or external hemorrhage. Providing oxygen supports breathing, checking the dressing provides crucial data on the potential bleeding source, and notifying the RN ensures the client receives prompt medical intervention.

Adım Adım Çözüm

1
Analyze the client's current clinical presentation compared to their baseline.
The client has developed sudden agitation, significant tachycardia, tachypnea, and hypotension.
Identifying changes from baseline helps distinguish between expected postoperative recovery and acute physiological complications.
2
Correlate the symptoms with potential physiological complications.
These findings are classic indicators of early hypovolemic shock, likely due to postoperative hemorrhage.
Agitation is an early sign of hypoxia. The heart rate and respiratory rate increase to compensate for dropping blood pressure and reduced circulating oxygen.
3
Prioritize nursing actions based on the ABCs and the PN scope of practice.
The most critical actions involve supporting oxygenation, gathering essential data regarding the source of bleeding, and immediately escalating the situation to the RN.
Acute decompensation requires immediate collaborative management and life-saving interventions over routine monitoring.

Anahtar Kavram

Prioritization of care for clients experiencing acute physiological decompensation and suspected hypovolemic shock.
Soru 1152Soru →

A practical nurse is monitoring a client who recently started taking warfarin, an oral anticoagulant. Which findings indicate an increased risk for severe complications and require immediate escalation to the registered nurse? (Select all that apply)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: The client vomits material that resembles coffee grounds.; An International Normalized Ratio (INR) laboratory result of 6.2.; The client reports the sudden onset of a severe headache.

Cevap

The findings that require immediate escalation are vomiting material resembling coffee grounds, an INR result of 6.2, and the sudden onset of a severe headache.
The correct answers identify critical indicators of active internal bleeding (coffee-ground emesis, sudden severe headache) and a critically high laboratory value (INR of 6.2) that predisposes the client to spontaneous hemorrhage. These findings demonstrate an immediate threat to client safety and require urgent escalation to the registered nurse for intervention.

Adım Adım Çözüm

1
Analyze the client's current medication therapy and associated risks.
The client is taking warfarin, an anticoagulant that significantly increases the risk of bleeding.
Understanding the medication profile helps anticipate specific complications, such as hemorrhage.
2
Evaluate the clinical findings for signs of active bleeding or target organ damage.
Coffee-ground emesis indicates gastrointestinal bleeding, and a severe headache may indicate intracranial bleeding.
Internal bleeding is a medical emergency that threatens physiological integrity and requires prompt intervention.
3
Assess the provided laboratory values and vital signs against normal parameters.
An INR of 6.2 is critically high. The platelet count of 220,000/mm³ and the heart rate of 74 bpm are within normal limits.
Only abnormal, high-risk findings should be escalated to the registered nurse.

Anahtar Kavram

Reduction of Risk Potential: Anticoagulant Therapy and Bleeding Precautions
Soru 1153Soru →

A client with bipolar disorder is prescribed oral lithium carbonate. The practical nurse is implementing the client's plan of care. Which of the following actions should the practical nurse take to ensure safe pharmacological therapy? (Select all that apply.)

Geçerli olan tümünü seçin

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Cevap: Reinforce teaching with the client about the importance of maintaining a consistent daily dietary sodium intake.; Notify the registered nurse immediately if the client develops coarse hand tremors and confusion.; Verify the client's name and date of birth against the medication administration record before providing the drug.

Cevap

The practical nurse should reinforce teaching about consistent sodium intake, notify the registered nurse of coarse tremors and confusion, and verify two client identifiers before administration.
Safe pharmacological therapy for a client on lithium requires maintaining a consistent dietary sodium intake, as decreased sodium levels can lead to lithium retention and subsequent toxicity. Coarse hand tremors and confusion are severe manifestations of advanced lithium toxicity and must be reported to the registered nurse immediately. Additionally, standard medication safety protocols mandate that the nurse verify two distinct client identifiers (such as name and date of birth) before every medication administration, ensuring the right drug reaches the right client.

Adım Adım Çözüm

1
Recall the pharmacological principles of lithium therapy.
Lithium is a mood stabilizer with a narrow therapeutic index (0.60.6 to 1.2 mEq/L1.2\text{ mEq/L}). Its excretion is heavily dependent on normal sodium levels, and toxicity presents with severe neurological symptoms.
Understanding the drug's physiological action is necessary to monitor for adverse effects and provide accurate client education.
2
Determine the appropriate legal scope of practice for the practical nurse (PN).
The PN can safely administer medications using established safety checks, reinforce prior teaching, and monitor/report adverse effects, but cannot formulate initial teaching plans.
Maintaining practice within the legal scope ensures safe and effective delegation and care delivery.
3
Evaluate each option against safety standards and the PN scope of practice.
Reinforcing sodium consistency, reporting signs of severe toxicity (tremors/confusion), and performing two-identifier checks are correct PN actions. Withholding a normal lithium level, formulating initial teaching, and skipping barcode scans are incorrect.
Systematic evaluation of each choice guarantees all appropriate clinical interventions are selected.

Anahtar Kavram

Lithium Toxicity, Safe Medication Administration, and Practical Nurse Scope of Practice
Soru 1154Soru →

A practical nurse is caring for a client who underwent a percutaneous kidney biopsy 3 hours ago. The client reports new-onset severe flank pain. The current vital signs are: heart rate 116 beats per minute and blood pressure 86/54 mm Hg. The morning laboratory report shows a hemoglobin level of 7.9 g/dL. Which action should the practical nurse take first?

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Cevap: Promptly report the vital signs, pain assessment, and laboratory results to the registered nurse.

Cevap

The practical nurse must promptly report the vital signs, pain assessment, and laboratory results to the registered nurse.
The client is exhibiting classic signs of internal hemorrhage and hypovolemic shock (tachycardia, hypotension, severe localized pain, and low hemoglobin) following a highly vascular procedure (kidney biopsy). The practical nurse must immediately escalate these life-threatening findings to the registered nurse or healthcare provider to reduce the risk of severe complications and initiate emergency interventions.

Adım Adım Çözüm

1
Analyze the client's post-procedure assessment data.
The client has severe flank pain, tachycardia (HR 116), hypotension (BP 86/54), and low hemoglobin (7.9 g/dL).
Identifying abnormal findings is the first step in recognizing potential post-procedure complications.
2
Correlate the findings with the specific risks of the procedure.
A kidney biopsy carries a high risk of hemorrhage. The findings point directly to internal bleeding and hypovolemic shock.
Understanding procedure-specific risks allows the nurse to prioritize care accurately.
3
Determine the safest and most appropriate nursing action within the practical nurse scope of practice.
Escalate the critical findings to the registered nurse or healthcare provider immediately.
Unstable clients experiencing life-threatening complications require immediate RN or provider intervention to mitigate risks.

Anahtar Kavram

Reduction of Risk Potential: Recognizing and Escaping Complications
Soru 1155Soru →

During mealtime on the rehabilitation unit, a practical nurse observes a client with a recent stroke holding unchewed food inside their cheek. The client then produces a weak, gargling cough. Which immediate intervention should the nurse implement?

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Cevap: Stop the feeding process and help the client clear the retained food from their mouth.

Cevap

Stop the feeding process and help the client clear the retained food from their mouth.
The client's weak cough and pocketing of food are classic signs of dysphagia and indicate a high risk for aspiration. To ensure safety and protect the airway, the immediate priority is to cease the meal and remove the unchewed food from the mouth.

Adım Adım Çözüm

1
Analyze the clinical cues: The client is pocketing food and exhibiting a weak, gargling cough after a stroke.
These symptoms strongly suggest dysphagia and a diminished ability to protect the airway.
Neurological deficits from a stroke frequently impair the cranial nerves needed for safe swallowing and coughing.
2
Apply the Airway, Breathing, Circulation (ABC) priority framework to the situation.
The presence of unchewed food and a weak cough represents an immediate threat to the client's airway.
Airway protection is always the absolute highest priority in acute nursing care.
3
Determine the most appropriate immediate intervention.
The nurse must halt further oral intake and manually assist in clearing the oral cavity.
Removing the physical obstruction eliminates the immediate risk of aspiration into the lungs.

Anahtar Kavram

Aspiration Prevention and Airway Management in Dysphagia
Soru 1156Soru →

A practical nurse is caring for a client receiving treatment for hypertension. The client's medication administration record includes scheduled oral doses of spironolactone 50 mg50\text{ mg} and amlodipine 5 mg5\text{ mg}. Upon reviewing the morning assessment data, the nurse notes a blood pressure of 128/82 mmHg128/82\text{ mmHg}, a serum sodium level of 138 mEq/L138\text{ mEq/L}, and a serum potassium level of 5.9 mEq/L5.9\text{ mEq/L}. Which action should the practical nurse take first?

Cevabı ve açıklamayı göster

Cevap: Withhold the spironolactone and report the elevated potassium level to the registered nurse.

Cevap

The practical nurse should withhold the spironolactone and immediately report the critical potassium level to the registered nurse.
Spironolactone is a potassium-sparing diuretic that can cause hyperkalemia. A serum potassium level of 5.9 mEq/L5.9\text{ mEq/L} is significantly elevated (normal range is typically 3.53.5 to 5.0 mEq/L5.0\text{ mEq/L}) and places the client at risk for life-threatening cardiac dysrhythmias. The practical nurse must withhold the medication and immediately escalate this critical laboratory value to the registered nurse for further clinical judgment and provider notification.

Adım Adım Çözüm

1
Review the client's morning laboratory results and vital signs.
The client has a critical serum potassium level of 5.9 mEq/L5.9\text{ mEq/L} (normal is 3.53.5 to 5.0 mEq/L5.0\text{ mEq/L}) and a stable blood pressure of 128/82 mmHg128/82\text{ mmHg}.
To ensure physiological parameters are safe prior to medication administration.
2
Analyze the pharmacological effects of the prescribed medications.
Spironolactone is identified as a potassium-sparing diuretic, whereas amlodipine is a calcium channel blocker.
Administering a potassium-sparing diuretic will further increase the client's already dangerous potassium level.
3
Determine the appropriate nursing intervention within the practical nurse scope of practice.
The spironolactone must be withheld, and the supervising registered nurse must be notified immediately.
Practical nurses must recognize life-threatening critical labs and escalate them promptly without independently altering the medical plan.

Anahtar Kavram

Pharmacological principles of potassium-sparing diuretics and practical nurse scope of practice regarding critical laboratory values.
Soru 1157Soru →

A practical nurse (PN) is caring for a client who is receiving continuous enteral tube feedings. The client suddenly begins to cough forcefully and expel vomitus. In which order should the PN perform the following actions? Arrange the actions from first to last.

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Cevap

The correct sequence is to first stop the enteral feeding, turn the client onto their side, clear the airway using oral suctioning, measure oxygen saturation and respiratory rate, and finally notify the registered nurse.
In any acute clinical emergency, the practical nurse must prioritize actions based on the Airway, Breathing, and Circulation (ABC) framework. When a client receiving tube feedings begins to vomit, the airway is immediately threatened. The very first action must be to stop the cause (the feeding pump) to prevent more volume from entering the stomach. The second action is to use gravity to clear the airway by turning the client to the side. The third action is to use equipment (suction) to clear any remaining fluid. Once the airway is physically secured, the nurse assesses breathing (oxygen saturation, respiratory rate) to evaluate the impact of the event. Finally, the nurse communicates the findings and actions to the registered nurse.

Adım Adım Çözüm

1
Stop the continuous enteral feeding pump.
Prevents additional formula from entering the gastrointestinal tract.
Eliminates the ongoing source of potential aspiration, which is the most critical first action.
2
Turn the client onto their side.
Allows emesis to drain from the mouth via gravity.
Protects the airway from immediate occlusion and further aspiration of the expelled vomitus.
3
Clear the client's airway using oral suctioning.
Removes residual fluids and secretions from the oropharynx.
Actively secures a patent airway after gross decontamination by gravity.
4
Measure the client's oxygen saturation and respiratory rate.
Provides objective data on the client's current respiratory function.
Assessment follows life-saving interventions to evaluate if the aspiration caused hypoxia or respiratory distress.
5
Notify the registered nurse of the client's status change.
Communicates the acute change in condition to the healthcare team.
Ensures the client receives advanced evaluation and potential medical orders after initial stabilization.

Anahtar Kavram

Prioritization of Airway, Breathing, and Circulation (ABC) during an acute aspiration event.
Tahmini Süre:1m 30s
Soru 1158Soru →

A practical nurse is reviewing the electronic health record of an adult client who has been receiving a continuous intravenous heparin infusion for a pulmonary embolism for the past four days. The practical nurse notes the following morning laboratory results:

- Activated partial thromboplastin time (aPTT): 6262 seconds (Control: 3030 seconds)
- Hemoglobin: 13.2 g/dL13.2 \text{ g/dL}
- Platelet count: 105,000 /mm3105,000 \text{ /mm}^3 (Baseline on admission: 240,000 /mm3240,000 \text{ /mm}^3)

During the morning assessment, the client's vital signs are within expected parameters, but the client reports a new onset of coldness, intense pain, and tingling in the right foot. Which action should the practical nurse take first?

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Cevap: Immediately notify the registered nurse of the assessment findings and laboratory trends.

Cevap

The correct action is to immediately notify the registered nurse of the assessment findings and laboratory trends.
The client is exhibiting classic signs of Heparin-Induced Thrombocytopenia (HIT), evidenced by a platelet count drop of greater than 50%50\% from baseline, combined with symptoms of a new arterial thrombosis (coldness, intense pain, and tingling in the foot). This is a life-threatening medical emergency. The practical nurse's highest priority is to immediately communicate these critical findings to the registered nurse so that the heparin infusion can be safely discontinued and alternative limb-saving treatments initiated.

Adım Adım Çözüm

1
Analyze the laboratory values by comparing the current morning results to the admission baseline.
The aPTT is therapeutic (6262 seconds is approximately 22 times the control of 3030 seconds). However, the platelet count has decreased by more than 50%50\% from the baseline (240,000240,000 to 105,000 /mm3105,000 \text{ /mm}^3).
A drop in platelets of >50%>50\% in a client receiving heparin therapy is a hallmark clinical indicator of Heparin-Induced Thrombocytopenia (HIT).
2
Evaluate the significance of the client's new physical assessment findings.
The client reports coldness, intense pain, and tingling in the right foot.
These symptoms strongly indicate acute arterial occlusion (thrombosis). In the context of a dropping platelet count on heparin therapy, this represents a paradoxical, life-threatening complication of HIT.
3
Determine the scope of practice and highest priority intervention for the practical nurse.
The practical nurse must immediately escalate these critical assessment and laboratory findings to the registered nurse.
The client is experiencing a medical emergency requiring rapid collaborative intervention (stopping the heparin and initiating non-heparin anticoagulants). The practical nurse cannot independently alter the IV drip, and further assessment would dangerously delay care.

Anahtar Kavram

Reduction of Risk Potential: Recognizing and escalating Heparin-Induced Thrombocytopenia (HIT) and arterial occlusion.
Soru 1159Soru →

A nurse is caring for a 72-year-old client being treated for a complicated urinary tract infection. The client's partner states, "My spouse is usually very sharp, but today they are extremely drowsy and talking about things that do not make sense." Assessment reveals a temperature of 97.6°F (36.4°C), apical pulse of 109 bpm, respirations of 22 breaths/min, and blood pressure of 92/52 mm Hg. Based on these findings, which intervention is the priority?

Cevabı ve açıklamayı göster

Cevap: Communicate the assessment findings to the supervising registered nurse immediately.

Cevap

Communicate the assessment findings to the supervising registered nurse immediately.
The client is exhibiting classic signs of early sepsis and impending septic shock, including altered mental status, tachycardia, and borderline hypotension. The priority action for the practical nurse is to immediately escalate these critical, life-threatening findings to the supervising registered nurse or provider for rapid medical intervention.

Adım Adım Çözüm

1
Analyze the client's clinical presentation.
The client has a diagnosed infection and is now presenting with new-onset altered mental status, tachycardia (109 bpm), and hypotension (92/52 mm Hg).
Identifying acute changes from the baseline is essential to recognize impending complications.
2
Correlate the findings with potential physiological adaptations.
The combination of infection, altered mentation, and hemodynamic instability strongly suggests early sepsis and impending septic shock.
Sepsis causes systemic vasodilation, leading to dropped blood pressure, a compensatory increase in heart rate, and decreased cerebral perfusion causing confusion.
3
Determine the priority nursing action based on the PN scope of practice.
The PN must immediately escalate the critical findings to the RN or healthcare provider.
Medical emergencies require immediate collaborative intervention outside the independent scope of the practical nurse.

Anahtar Kavram

Recognition of Sepsis and Shock
Soru 1160Soru →

A practical nurse is assisting a client with the collection of a clean-catch midstream urine specimen for a culture and sensitivity test. Arrange the following steps in the correct chronological order to ensure an uncontaminated specimen is obtained.

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Cevap

The correct sequence is: 1) Perform hand hygiene and don clean gloves; 2) Cleanse the perineal area from front to back; 3) Instruct the client to begin voiding into the toilet; 4) Place the sterile specimen container into the active urine stream.
The established sequence for a clean-catch urine collection minimizes the risk of specimen contamination. Hand hygiene and donning gloves form the foundational step of standard precautions. Cleansing the meatus front-to-back prevents the introduction of rectal flora to the urinary tract. Voiding the initial stream into the toilet effectively flushes the distal urethra of resident bacteria. Finally, catching the midstream urine ensures the sample genuinely reflects the microbiological status of the bladder.

Adım Adım Çözüm

1
Identify the standard precautions required before the procedure.
Hand hygiene is performed and clean gloves are donned.
To protect the nurse from exposure to body fluids and prevent introducing environmental contaminants to the client's supplies.
2
Determine the correct anatomical cleansing technique.
The perineal area is cleansed with antiseptic wipes from front to back.
This specific motion removes flora from the urinary meatus while preventing the introduction of bacteria from the anal region.
3
Determine the correct timing for starting the collection.
The client is instructed to begin voiding into the toilet before the cup is introduced.
The initial stream of urine serves to mechanically flush out normal resident bacteria present in the distal urethra.
4
Determine the correct method to catch the sterile specimen.
The sterile cup is placed directly into the midstream flow.
The midstream portion most accurately reflects the status of the bladder and kidneys, ensuring the culture results are reliable.

Anahtar Kavram

The purpose of a clean-catch midstream urine collection is to obtain a sample that is free from external contamination. This is achieved by anatomically cleansing the meatus and flushing the urethra before capturing the midstream flow.
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