Physiological Integrity

1960 soru

Soru 1201Soru →

A client who recently underwent a mechanical aortic valve replacement is receiving a continuous intravenous infusion of unfractionated heparin via a single-lumen peripherally inserted central catheter (PICC). The client is diagnosed with a healthcare-associated systemic infection, and the healthcare provider prescribes an intermittent intravenous infusion of vancomycin 1,000 mg1,000\text{ mg} to run over 9090 minutes. The nurse notes from the pharmacological reference that heparin and vancomycin are physically incompatible at the Y-site. What is the priority nursing action to safely administer the prescribed vancomycin?

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Cevap: Establish an additional peripheral intravenous access site to administer the vancomycin infusion independently.

Cevap

The nurse must establish a new peripheral intravenous access site to administer the vancomycin, ensuring the continuous heparin infusion remains completely uninterrupted.
For a client with a mechanical heart valve, continuous heparin therapy is an absolute priority to prevent fatal valve thrombosis. Pausing this critical infusion for the 9090 minutes required to safely administer vancomycin would dangerously lower the client's anticoagulation levels. Because the two medications are physically incompatible and cannot share a single intravenous line, the only safe and effective solution is to establish a second independent intravenous access site. This ensures both the antibiotic and the anticoagulant are delivered continuously and without risk of precipitation.

Adım Adım Çözüm

1
Identify the pharmacological incompatibility between the continuous unfractionated heparin and the prescribed vancomycin.
Determines that the two medications cannot physically mix in the same intravenous tubing or Y-site without causing dangerous crystallization.
Mixing physically incompatible medications poses a high risk of catheter occlusion and life-threatening systemic emboli.
2
Evaluate the clinical indication and critical nature of the primary continuous heparin infusion.
Recognizes that the client possesses a mechanical aortic valve, which mandates strict, uninterrupted anticoagulation therapy.
A 90-minute pause in heparin administration would drastically drop the activated partial thromboplastin time (aPTT) below the therapeutic range, exposing the client to acute mechanical valve thrombosis.
3
Determine the safest administration route that accommodates both the physical incompatibility and the physiological requirements of the client.
Decides to initiate a separate peripheral intravenous catheter exclusively for the vancomycin infusion.
This strategy allows both essential therapies to proceed safely, avoiding physical admixture in the tubing and preventing any dangerous interruption in the client's anticoagulation.

Anahtar Kavram

Management of intravenous incompatibilities concurrent with critical continuous infusions
Soru 1202Soru →

A client who has been experiencing constipation for several days is prescribed a large-volume cleansing enema. To best facilitate the flow of the enema solution by gravity into the descending colon, which position should the nurse assist the client into?

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Cevap: Left side-lying with the right knee flexed

Cevap

Left side-lying with the right knee flexed
Positioning the client on their left side with the right knee flexed (Sims' position) follows the natural anatomical curve of the large intestine. Because the descending colon is on the left side of the body, this position allows the enema solution to flow freely downward by gravity into the sigmoid and descending colon, improving fluid retention and promoting a more effective bowel movement.

Adım Adım Çözüm

1
Identify the anatomical structure of the lower gastrointestinal tract.
The descending colon is located on the left side of the client's abdomen, leading down into the sigmoid colon and rectum.
Anatomical knowledge dictates how gravity will affect the flow of instilled fluids.
2
Evaluate how gravity interacts with the client's position during the procedure.
Lying on the left side places the descending colon in a dependent (lower) position relative to the rectum.
Gravity will assist the enema solution in flowing deeper into the colon, maximizing fluid retention and the effectiveness of the bowel cleanse.

Anahtar Kavram

Client Positioning for Enema Administration
Soru 1203Soru →

The healthcare provider prescribes a continuous intravenous infusion of sodium nitroprusside at a rate of 3 mcg/kg/min3 \text{ mcg/kg/min} for a client experiencing a hypertensive crisis. The client weighs 198 lbs198 \text{ lbs}. The medication is supplied as 50 mg50 \text{ mg} of sodium nitroprusside mixed in 250 mL250 \text{ mL} of 5% dextrose in water (D5W). What is the appropriate infusion rate in mL/hr\text{mL/hr}? (Record your answer as a whole number.)

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Cevap: 81

Cevap

81
To safely program an electronic infusion pump for a continuous weight-based medication, a multi-step dimensional analysis is required. First, determine the client's weight in kilograms (198 lbs÷2.2=90 kg198 \text{ lbs} \div 2.2 = 90 \text{ kg}). Next, find the dose per minute (3 mcg×90 kg=270 mcg/min3 \text{ mcg} \times 90 \text{ kg} = 270 \text{ mcg/min}). Because infusion pumps run on hourly rates, multiply by 6060 to find the hourly dose (270 mcg/min×60 min/hr=16,200 mcg/hr270 \text{ mcg/min} \times 60 \text{ min/hr} = 16,200 \text{ mcg/hr}). Then, find the concentration of the IV bag by converting milligrams to micrograms (50 mg=50,000 mcg50 \text{ mg} = 50,000 \text{ mcg}) and dividing by the total volume (50,000 mcg÷250 mL=200 mcg/mL50,000 \text{ mcg} \div 250 \text{ mL} = 200 \text{ mcg/mL}). Finally, divide the hourly dose by the concentration (16,200 mcg/hr÷200 mcg/mL16,200 \text{ mcg/hr} \div 200 \text{ mcg/mL}) to arrive at 81 mL/hr81 \text{ mL/hr}.

Adım Adım Çözüm

1
Convert the client's weight from pounds to kilograms.
90 kg90 \text{ kg}
Intravenous medication protocols requiring weight-based dosing use the metric system.
2
Calculate the total dose per minute based on the client's weight.
270 mcg/min270 \text{ mcg/min}
This establishes the exact amount of medication the client needs every minute to achieve the prescribed 3 mcg/kg/min3 \text{ mcg/kg/min}.
3
Convert the minute dose to an hourly dose.
16,200 mcg/hr16,200 \text{ mcg/hr}
Electronic infusion pumps are programmed in milliliters per hour, requiring the medication dose to be converted into an hourly timeframe.
4
Determine the concentration of the supplied medication in mcg/mL.
200 mcg/mL200 \text{ mcg/mL}
Since the dose is in micrograms and the supply is in milligrams, converting 50 mg50 \text{ mg} to 50,000 mcg50,000 \text{ mcg} and dividing by the 250 mL250 \text{ mL} bag volume provides a compatible concentration metric.
5
Calculate the final infusion pump rate.
81 mL/hr81 \text{ mL/hr}
Dividing the hourly dose by the concentration determines the precise fluid volume needed each hour to deliver the medication.

Anahtar Kavram

Weight-Based Intravenous Continuous Infusion Calculation
Soru 1204Soru →

A nurse is preparing to administer a scheduled intravenous (IV) antibiotic via a secondary line. The client currently has a continuous primary IV infusion of 0.45% sodium chloride with 20 mEq of potassium chloride running. Which action must the nurse prioritize before attaching the secondary tubing to the primary IV line?

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Cevap: Verify the chemical compatibility of the antibiotic with the primary infusion solution.

Cevap

Verify the chemical compatibility of the antibiotic with the primary infusion solution.
The most critical safety action before administering a secondary IV medication into a continuous primary line is verifying physical and chemical compatibility. If the solutions are incompatible, they can form a precipitate in the tubing, which can cause severe harm to the client, including embolism.

Adım Adım Çözüm

1
Identify the proposed clinical intervention.
The nurse is adding a secondary IV medication to an actively running primary continuous infusion.
To determine the potential risks involved with the procedure.
2
Recognize the primary physiological safety risk associated with the intervention.
Mixing two incompatible IV solutions can cause precipitation (crystal formation) in the IV tubing.
Precipitates can lead to catheter occlusion or life-threatening emboli if they enter the client's bloodstream.
3
Select the correct preventative nursing action.
The nurse must consult an approved drug reference guide to verify Y-site compatibility before making the connection.
This guarantees that the medication can safely mix with the primary fluid without an adverse chemical reaction.

Anahtar Kavram

Intravenous Medication Compatibility
Soru 1205Soru →

A client in cardiogenic shock is prescribed a continuous intravenous (IV) infusion of dobutamine at a rate of 5 mcg/kg/min5 \text{ mcg/kg/min}. The client weighs 80 kg80 \text{ kg}. The pharmacy provides a premixed IV bag containing 500 mg500 \text{ mg} of dobutamine in 250 mL250 \text{ mL} of 5%5\% dextrose in water (D5W). At what rate, in mL/hr\text{mL/hr}, should the nurse program the electronic infusion pump?

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Cevap: 12

Cevap

The electronic infusion pump should be programmed to 12 mL/hr12 \text{ mL/hr}.
To determine the correct pump rate, the nurse must first calculate the client's specific dose per minute (5 mcg×80 kg=400 mcg/min5 \text{ mcg} \times 80 \text{ kg} = 400 \text{ mcg/min}), convert this to an hourly dose (400 mcg/min×60 minutes=24,000 mcg/hr400 \text{ mcg/min} \times 60 \text{ minutes} = 24,000 \text{ mcg/hr}), and then convert micrograms to milligrams (24 mg/hr24 \text{ mg/hr}). Next, the concentration of the IV bag is determined (500 mg÷250 mL=2 mg/mL500 \text{ mg} \div 250 \text{ mL} = 2 \text{ mg/mL}). Finally, dividing the hourly dose by the concentration yields the correct pump rate (24 mg/hr÷2 mg/mL=12 mL/hr24 \text{ mg/hr} \div 2 \text{ mg/mL} = 12 \text{ mL/hr}).

Adım Adım Çözüm

1
Calculate the total required dose per minute based on the client's weight.
5 mcg/kg/min×80 kg=400 mcg/min5 \text{ mcg/kg/min} \times 80 \text{ kg} = 400 \text{ mcg/min}
Critical care vasoactive drips are often weight-based and must be individualized to the client's mass.
2
Convert the per-minute dose to an hourly dose.
400 mcg/min×60 min/hr=24,000 mcg/hr400 \text{ mcg/min} \times 60 \text{ min/hr} = 24,000 \text{ mcg/hr}
Electronic infusion pumps are programmed in mL/hr\text{mL/hr}, so the time unit must match the pump's hourly setting.
3
Convert the required dose from micrograms (mcg) to milligrams (mg).
24,000 mcg/hr÷1,000 mcg/mg=24 mg/hr24,000 \text{ mcg/hr} \div 1,000 \text{ mcg/mg} = 24 \text{ mg/hr}
The supplied medication is measured in milligrams (500 mg500 \text{ mg}). Units must align before calculating the final fluid volume.
4
Calculate the concentration of the supplied IV bag.
500 mg÷250 mL=2 mg/mL500 \text{ mg} \div 250 \text{ mL} = 2 \text{ mg/mL}
This determines the exact amount of active drug contained in each milliliter of the IV fluid.
5
Determine the final infusion pump rate.
24 mg/hr÷2 mg/mL=12 mL/hr24 \text{ mg/hr} \div 2 \text{ mg/mL} = 12 \text{ mL/hr}
Dividing the required hourly dose by the concentration provides the exact volume of fluid the pump must deliver each hour.

Anahtar Kavram

Weight-based intravenous continuous infusion calculations and unit conversions.
Soru 1206Soru →

A nurse is preparing to administer a new intravenous (IV) push medication to a client who is already receiving a continuous IV fluid infusion. To ensure client safety and reduce the risk of an adverse event, which action must the nurse take before administering the medication?

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Cevap: Check a medication reference to confirm that the IV push medication is compatible with the continuous IV fluid.

Cevap

The nurse must verify the compatibility of the IV push medication with the continuous IV fluid using a reliable reference.
When two or more intravenous medications or fluids are administered through the same IV line, the nurse must ensure they are chemically and physically compatible. Incompatibility can result in precipitation, cloudiness, or a change in color, which can lead to life-threatening complications such as an embolism or loss of medication efficacy.

Adım Adım Çözüm

1
Identify the proposed clinical intervention.
The nurse is planning to administer an IV push medication through a line that is currently infusing a continuous IV fluid.
Understanding the route and the presence of concurrent therapies highlights potential interaction risks.
2
Recognize the physiological risks associated with mixing multiple IV solutions.
Mixing incompatible intravenous medications or fluids can cause crystallization, precipitation, or inactivation of the drugs.
Identifying the specific physiological risk guides the choice of the appropriate safety intervention.
3
Select the priority nursing action that mitigates this risk.
The nurse must consult a drug reference guide or pharmacist to verify compatibility before administration.
This is a fundamental safety check required to prevent harm to the client and maintain IV line patency.

Anahtar Kavram

Reduction of Risk Potential: Intravenous Medication Safety
Soru 1207Soru →

A client with acute decompensated heart failure is receiving a continuous intravenous (IV) infusion of milrinone through a dedicated 20-gauge peripheral catheter. The healthcare provider prescribes a STAT dose of furosemide 40 mg IV push. The client currently has no other venous access. Which action by the nurse is the safest and most appropriate?

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Cevap: Establish a new peripheral IV catheter to administer the furosemide independently.

Cevap

Establish a new peripheral IV catheter to administer the furosemide independently.
Milrinone and furosemide are physically incompatible and will precipitate if mixed in the same IV line. Additionally, milrinone is a critical continuous inotropic infusion; the IV line cannot be paused and flushed. Flushing the line would push the milrinone residing in the tubing into the client as an uncontrolled, potentially fatal bolus, while simultaneously causing a dangerous drop in cardiac output during the pause. The only safe action is to establish a new, separate peripheral IV line for the furosemide.

Adım Adım Çözüm

1
Analyze the properties of the continuous infusion.
Milrinone is a continuous inotropic/vasoactive medication used for severe heart failure that requires a dedicated line to maintain hemodynamic stability.
Understanding the high-alert nature of the primary infusion is critical before altering the line.
2
Evaluate the chemical compatibility of the prescribed medications.
Furosemide is highly incompatible with milrinone and will immediately precipitate if mixed in the same IV line.
Verifying IV compatibility prevents crystal formation and potential emboli.
3
Consider administration alternatives for the single IV line.
Pausing the milrinone disrupts critical cardiac support, and flushing the line delivers an uncontrolled, rapid bolus of the milrinone remaining in the tubing directly into the client's circulation.
Vasoactive continuous drips should never be flushed to clear a line for other medications.
4
Determine the safest clinical action.
Starting a new, independent peripheral IV line is required to safely administer the STAT dose of furosemide.
This is the only way to avoid precipitation and prevent a dangerous bolus of the inotropic agent.

Anahtar Kavram

IV Medication Compatibility and Vasoactive Infusion Safety
Tahmini Süre:1m 30s
Soru 1208Soru →

A nurse is directing the care of an 80-year-old client who is 48 hours post-operative following a right total hip arthroplasty (posterior approach). The client, who has no history of cognitive impairment, has become increasingly restless, is pulling at their indwelling urinary catheter, and has had two episodes of bowel incontinence. Which intervention is most appropriate for the nurse to include in the client's basic care and comfort plan?

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Cevap: Secure an abduction pillow between the client's lower extremities before turning them onto their left side to perform perineal care.

Cevap

Secure an abduction pillow between the client's lower extremities before turning them onto their left side to perform perineal care.
For a client recovering from a total hip arthroplasty via a posterior approach, maintaining abduction of the affected extremity is critical to prevent dislocation of the new joint. When the nurse must turn the client to provide basic hygiene, such as perineal care after bowel incontinence, securing an abduction pillow between the legs ensures the operative hip does not fall into adduction or internal rotation when the client is rolled onto their unaffected side.

Adım Adım Çözüm

1
Analyze the client's surgical history and current basic care needs.
The client is 48 hours post-operative for a right total hip arthroplasty (posterior approach) and requires perineal care and linen changes due to bowel incontinence.
Identifying the surgical approach determines the necessary movement precautions to prevent hip dislocation during care.
2
Identify the positional constraints for a posterior approach total hip arthroplasty.
The client must avoid hip flexion greater than 90 degrees, adduction across the midline, and internal rotation.
These movements put excessive stress on the posterior joint capsule and can lead to immediate dislocation of the femoral head.
3
Evaluate the proposed nursing actions against safe practice standards for basic care.
Turning the client onto their unaffected (left) side while using an abduction pillow to keep the right leg from adducting is the correct and safe method to access the perineal area.
The abduction pillow maintains alignment and prevents the operative right leg from crossing the midline under the pull of gravity during the turn.
4
Critique the alternative interventions for safety and scope of practice violations.
Delegating assessment to a UAP, using restraints without trying alternatives, and ignoring new-onset confusion all violate standard nursing protocols.
Eliminating unsafe or inappropriate actions confirms the correct positioning intervention is the priority.

Anahtar Kavram

Basic care and positioning for clients following total hip arthroplasty (posterior approach), integrating safe delegation and complication recognition.
Soru 1209Soru →

A nurse is planning care for an older adult client who is completely bedridden following an ischemic stroke. The plan includes interventions to maintain skin integrity, promote comfort, and ensure proper body alignment. Which of the following nursing actions are appropriate to include in the client's care plan? Select all that apply.

Geçerli olan tümünü seçin

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Cevap: Float the client's heels off the mattress by placing a supportive pillow under the lower legs.; Utilize a draw sheet to lift rather than drag the client when moving them up in bed.; Place a trochanter roll alongside the client's outer thigh and hip to prevent external hip rotation.

Cevap

The appropriate actions are floating the heels off the mattress, utilizing a draw sheet to lift the client, and placing a trochanter roll alongside the outer thigh and hip.
Floating the heels prevents pressure injuries on highly vulnerable bony prominences. Using a draw sheet prevents shearing and friction forces that damage the epidermis during repositioning. Placing a trochanter roll prevents abnormal external rotation of the hip joint, maintaining functional body alignment for the immobile client.

Adım Adım Çözüm

1
Identify the client's primary risks related to being completely bedridden.
The client is at high risk for pressure injuries (due to immobility, friction, and shear) and musculoskeletal complications like contractures or abnormal joint rotation.
Understanding the physiological impacts of immobility directs the selection of appropriate basic care interventions.
2
Evaluate the interventions aimed at protecting skin integrity.
Floating heels and using a draw sheet correctly mitigate pressure, friction, and shear. Maintaining a high head-of-bed angle incorrectly increases sacral shear.
Direct pressure and shearing forces are the primary causes of pressure injuries in bedridden clients.
3
Evaluate the intervention for body alignment.
Using a trochanter roll is an effective mechanical support to prevent external hip rotation.
Immobile clients lose muscle tone that normally keeps joints aligned, requiring mechanical aids.
4
Evaluate the delegation intervention.
Delegating skin assessment is identified as an unsafe action.
Assessments fall strictly within the Registered Nurse's scope of practice.

Anahtar Kavram

Immobility Management and Pressure Injury Prevention
Soru 1210Soru →

An intensive care nurse is managing the basic care needs of an adult client who is mechanically ventilated for severe acute respiratory distress syndrome (ARDS). The client is currently placed in the prone position to optimize oxygenation and is receiving continuous enteral nutrition via an orogastric tube. To provide safe and effective basic care, which combination of interventions is most appropriate for the nurse to implement?

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Cevap: Place the bed in a reverse Trendelenburg tilt of at least 30 degrees, apply protective foam dressings to the client's facial prominences, and position the lower legs so the toes are suspended off the mattress.

Cevap

The nurse should utilize a reverse Trendelenburg tilt to prevent aspiration, apply prophylactic foam dressings to facial pressure points, and ensure the toes are suspended off the mattress.
When a client is positioned prone, the traditional method of elevating the head of the bed (bending the frame at the waist) causes severe spinal hyperextension and restricts lung expansion. To safely prevent aspiration from continuous enteral feedings, the entire bed must be tilted into a reverse Trendelenburg position (typically 30 degrees). Basic care also requires aggressive pressure injury prevention for anterior surfaces, which involves utilizing prophylactic foam dressings on facial prominences (chin, cheeks, forehead) and positioning the client so their toes are suspended off the edge of the mattress to prevent both pressure ulcers and plantar flexion contractures.

Adım Adım Çözüm

1
Analyze the primary risks associated with the client's current status and therapies.
The client faces competing risks: aspiration from continuous enteral feeding while prone, and severe pressure injuries to atypical bony prominences (face, chest, toes).
Identifying the physiological challenges of prone positioning dictates the priorities for basic care and comfort.
2
Determine the appropriate positioning modification to prevent aspiration without compromising spinal alignment.
A reverse Trendelenburg position of at least 30 degrees is selected instead of standard head-of-bed elevation.
Standard head elevation (bending the mattress at the waist) causes harmful lumbar hyperextension in a prone client. Reverse Trendelenburg elevates the head relative to the stomach while keeping the spine entirely straight.
3
Select evidence-based hygiene and mobility interventions for skin preservation in the prone position.
Protective dressings are applied to the face, and toes are suspended off the edge of the mattress.
The face bears unusual weight during proning, requiring prophylactic protection. Suspending the toes prevents both direct pressure ulcers on the digits and the development of plantar flexion contractures (footdrop).

Anahtar Kavram

Basic care management of the prone, mechanically ventilated client receiving enteral nutrition.
Soru 1211Soru →

A nurse on a medical-surgical unit has received the shift report for four clients. Which client should the nurse assess first to reduce the risk of a potential life-threatening complication?

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Cevap: A 68-year-old client who had a thoracentesis 1 hour ago and is exhibiting new-onset restlessness with a heart rate of 118 beats/min

Cevap

The client who had a thoracentesis 1 hour ago and is exhibiting new-onset restlessness with a heart rate of 118 beats/min.
The client who recently underwent a thoracentesis is presenting with new-onset restlessness and tachycardia. These are critical early indicators of physiological decompensation, potentially signaling a pneumothorax, internal bleeding, or severe hypoxia. Because this client is exhibiting an acute, unexpected change in respiratory and circulatory status, they represent the highest priority and must be assessed immediately to mitigate life-threatening risks.

Adım Adım Çözüm

1
Analyze the clinical presentation of the client who recently underwent a thoracentesis.
The client is demonstrating new-onset restlessness and a heart rate of 118 beats/min.
Recognizing early physiological signs of decompensation (such as hypoxia or shock) is necessary to catch potential post-procedure complications like a pneumothorax or hemothorax.
2
Evaluate the clinical status and stability of the other three clients.
The client with COPD has fully compensated respiratory acidosis, the lumbar puncture client is in the correct preventative position, and the DVT client has expected localized pain.
Prioritization requires distinguishing between expected, chronic, or stable findings versus acute, unstable changes that threaten the airway, breathing, or circulation.
3
Determine the highest priority client based on the ABCs (Airway, Breathing, Circulation).
The thoracentesis client represents an acute change in breathing and circulation and must be seen immediately.
Acute, unexpected changes post-procedure take precedence over chronic stable findings and expected care routines.

Anahtar Kavram

Prioritization and early recognition of post-procedure complications
Soru 1212Soru →

A healthcare provider prescribes ceftriaxone 1 gram1 \text{ gram} in 50 mL50 \text{ mL} of 0.9%0.9\% sodium chloride to be infused intravenously over 30 minutes30 \text{ minutes}. The nurse will use an electronic infusion pump. At what rate, in mL/hr\text{mL/hr}, should the nurse set the infusion pump? Record your answer as a whole number.

Cevabı ve açıklamayı göster

Cevap: 100

Cevap

100
To determine the correct setting for an electronic infusion pump in mL/hr\text{mL/hr}, the nurse must first ensure the time is converted to hours. Thirty minutes is equal to 0.50.5 hours. Next, divide the total volume (50 mL50 \text{ mL}) by the time (0.50.5 hours) to find the correct rate of 100 mL/hr100 \text{ mL/hr}.

Adım Adım Çözüm

1
Convert the given infusion time from minutes to hours.
30 minutes=0.5 hours30 \text{ minutes} = 0.5 \text{ hours}
Infusion pumps are typically programmed in mL/hr, so the administration time must be expressed in hours.
2
Divide the total medication volume by the infusion time in hours to determine the hourly rate.
50 mL÷0.5 hours=100 mL/hr50 \text{ mL} \div 0.5 \text{ hours} = 100 \text{ mL/hr}
This calculation provides the necessary rate to deliver the full volume exactly within the prescribed time window.

Anahtar Kavram

Intravenous medication infusion rate calculation using an electronic pump
Soru 1213Soru →

A client admitted with bacterial pneumonia is prescribed an intermittent intravenous (IV) antibiotic. The client currently has a continuous peripheral IV infusion of dextrose 5% in water (D5W) running at a low rate. Which actions are required by the nurse to ensure safe administration of the medication? Select all that apply.

Geçerli olan tümünü seçin

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Cevap: Assess the IV insertion site for signs of infiltration or phlebitis before attaching the antibiotic.; Verify the client's identity using two unique identifiers, such as the full name and date of birth.; Review the client's health record to confirm there are no documented allergies to the prescribed medication class.

Cevap

The correct actions are assessing the IV site, verifying the client's identity using two unique identifiers, and checking the health record for documented allergies.
Safe parenteral therapy requires strict adherence to the rights of medication administration, including verifying the right patient with two identifiers, checking for allergies, and assessing the physical IV site to prevent complications like extravasation.

Adım Adım Çözüm

1
Verify patient safety standards before administration.
Confirming the patient's identity with two identifiers and checking for medication allergies ensures the 'right patient' and 'right medication' principles are met.
These are non-negotiable standards of practice for all pharmacological therapies to prevent medical errors.
2
Assess the physical route of administration.
Inspecting the peripheral IV site confirms patency and absence of complications.
Administering medications into an infiltrated or inflamed vein can cause severe local tissue damage or systemic complications.
3
Identify unsafe clinical practices.
Recognize that estimating drip rates, relying on visual fluid checks for compatibility, and delegating initial assessments are unsafe.
Evidence-based practice requires precise mathematical calculations, the use of approved compatibility resources, and RN-level clinical judgment for initial assessments.

Anahtar Kavram

Safe Administration of Parenteral Therapies
Soru 1214Soru →

A registered nurse is planning oral care for an unresponsive elderly client admitted with a severe ischemic stroke. To promote comfort and minimize physiological risk, which intervention is most appropriate for the nurse to implement?

Cevabı ve açıklamayı göster

Cevap: Turn the client into a lateral position facing the nurse and ensure that a working suction apparatus is immediately accessible.

Cevap

The most appropriate action is to turn the client into a lateral position facing the nurse and ensure a working suction apparatus is accessible.
For an unresponsive client, the greatest physiological risk during oral care is aspiration of fluids or debris. Turning the client into a lateral (side-lying) position allows secretions to pool in the dependent side of the mouth and safely drain out via gravity. Having a suction apparatus immediately accessible ensures any excess fluid can be promptly removed to protect a compromised airway.

Adım Adım Çözüm

1
Analyze the client's clinical status.
The client is unresponsive following a severe ischemic stroke.
An unresponsive state indicates absent or diminished gag and swallowing reflexes, creating a high risk for aspiration during oral care.
2
Determine the safest positioning for the procedure.
A lateral (side-lying) position is identified as the safest orientation.
Positioning the client laterally allows oral fluids and debris to drain out of the mouth via gravity, rather than backward into the airway.
3
Identify necessary safety equipment.
A functional suction apparatus must be immediately available.
Suction is required to rapidly clear the oral cavity if fluids begin to pool, further protecting the respiratory tract.

Anahtar Kavram

Aspiration Prevention During Unresponsive Oral Care
Soru 1215Soru →

A client is in the post-anesthesia care unit (PACU) following an open abdominal surgery under general anesthesia utilizing desflurane and succinylcholine. The nurse notes new-onset masseter muscle rigidity, tachycardia of 145 beats/minute145 \text{ beats/minute}, tachypnea, and an end-tidal carbon dioxide (EtCO2EtCO_2) level of 65 mm Hg65 \text{ mm Hg}. The client's temperature is rapidly rising. Based on these findings, which of the following pharmacological and parenteral interventions should the nurse anticipate implementing? (Select all that apply)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Hyperventilate the client with 100%100\% oxygen using a bag-valve-mask or through the endotracheal tube.; Initiate a rapid intravenous infusion of chilled 0.9%0.9\% sodium chloride.; Administer intravenous regular insulin concurrent with 50%50\% dextrose.

Cevap

The nurse should hyperventilate the client with 100% oxygen, initiate a rapid intravenous infusion of chilled 0.9% sodium chloride, and administer intravenous regular insulin concurrent with 50% dextrose.
Malignant hyperthermia is a severe hypermetabolic state. The correct interventions address the critical pathophysiological changes: 100%100\% oxygen flushes out the massive amounts of carbon dioxide produced; chilled intravenous normal saline provides active core cooling; and the combination of regular insulin and 50%50\% dextrose drives extracellular potassium back into the cells, treating the life-threatening hyperkalemia caused by continuous muscle rigidity and breakdown.

Adım Adım Çözüm

1
Identify the clinical emergency based on the assessment findings.
The combination of exposure to desflurane and succinylcholine, new-onset masseter muscle rigidity, tachycardia, hypercarbia (EtCO2EtCO_2 65 mm Hg65 \text{ mm Hg}), and rapidly rising temperature indicates malignant hyperthermia.
Early recognition of malignant hyperthermia is essential to prevent irreversible cardiovascular collapse and death.
2
Determine the priority respiratory intervention.
Hyperventilate the client with 100%100\% oxygen.
The hypermetabolic state produces massive amounts of carbon dioxide and depletes oxygen stores, requiring immediate enhanced ventilation.
3
Determine the priority parenteral cooling intervention.
Initiate rapid intravenous infusion of chilled 0.9%0.9\% sodium chloride.
Core body temperature can rise rapidly in malignant hyperthermia, necessitating immediate active core cooling to prevent cellular death.
4
Determine the priority pharmacological intervention for the metabolic complications.
Administer intravenous regular insulin and 50%50\% dextrose.
Sustained muscle rigidity causes rhabdomyolysis and severe hyperkalemia. Insulin drives potassium back into the cells, preventing lethal cardiac arrhythmias.

Anahtar Kavram

Malignant hyperthermia is a life-threatening pharmacogenetic hypermetabolic crisis triggered by volatile anesthetics and succinylcholine, requiring immediate discontinuation of triggers, administration of dantrolene, oxygenation, active cooling, and management of hyperkalemia.
Soru 1216Soru →

A nurse is preparing to transfer a client from the bed to a wheelchair. The client has a history of severe orthostatic hypotension and right-sided hemiparesis following a cerebrovascular accident. Arrange the following steps in the correct chronological order to ensure a safe and hemodynamically stable transfer.

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Cevap

The correct sequence prioritizes environmental preparation, followed by gradual physiological adaptation to upright posture, and concludes with a mechanically safe pivot transfer.
This sequence synthesizes two critical nursing priorities: proactive environmental safety and hemodynamic adaptation. By placing the wheelchair on the strong (left) side first, the nurse ensures the client is never left unsupported while symptomatic. Gradual elevation and dangling prevent orthostatic syncope. Finally, using a gait belt and pivoting on the strong leg ensures maximum biomechanical stability.

Adım Adım Çözüm

1
Position the wheelchair at a 45-degree angle on the client's left side and lock the wheels.
The environment is safely prepared before the client is moved.
Equipment must be secured on the strong side to prevent leaving a potentially dizzy or unstable client unsupported while retrieving the chair.
2
Elevate the head of the bed to a high-Fowler's position.
The client's body begins to adapt to an upright posture.
Gradual elevation mitigates the hemodynamic effects of severe orthostatic hypotension.
3
Assist the client to a sitting position with their legs dangling over the edge of the bed.
The client is seated safely at the bedside.
Dangling allows the cardiovascular system to further equalize and stabilizes blood pressure before weight-bearing.
4
Assess the client for dizziness and apply a transfer belt securely around their waist.
The client is confirmed stable and physically secured for the transfer.
Confirming the absence of orthostatic symptoms ensures readiness, and the gait belt provides a safe mechanical hold point.
5
Instruct the client to bear weight on their left leg and pivot smoothly into the wheelchair.
The client is safely transferred into the chair.
Pivoting on the unaffected (left) side maximizes the client's strength and maintains balance during the movement.

Anahtar Kavram

Principles of safe mobility and transfer for clients with hemiparesis and orthostatic hypotension.
Tahmini Süre:2m 30s
Soru 1217Soru →

An adult client is receiving total parenteral nutrition (TPN) via a single-lumen peripherally inserted central catheter (PICC). The healthcare provider prescribes a scheduled dose of intravenous (IV) famotidine. Which action is most appropriate for the nurse to take?

Cevabı ve açıklamayı göster

Cevap: Establish a new peripheral intravenous access site to administer the prescribed medication.

Cevap

Establish a new peripheral intravenous access site to administer the prescribed medication.
Total parenteral nutrition (TPN) must be administered through a strictly dedicated intravenous line. Because the client has a single-lumen PICC, no other medications, fluids, or blood products can be administered through this line or its ports. Establishing a new peripheral IV site is the only safe and appropriate way to administer the prescribed famotidine without compromising client safety.

Adım Adım Çözüm

1
Identify the type of continuous infusion the client is currently receiving.
The client is receiving total parenteral nutrition (TPN) through a single-lumen central line.
Recognizing the specific fluid is crucial because TPN has strict, highly specialized administration guidelines.
2
Determine the compatibility and administration rules for the primary infusion.
TPN requires a dedicated line and cannot be mixed or Y-sited with other medications.
TPN solutions are highly complex, hypertonic, and prone to life-threatening precipitation and bacterial contamination when mixed with other substances.
3
Select the safest method to administer the newly prescribed medication without compromising the primary infusion.
A separate peripheral intravenous line must be started to administer the famotidine.
Using a separate line ensures the medication is delivered safely while maintaining the integrity and sterility of the client's TPN line.

Anahtar Kavram

Total Parenteral Nutrition (TPN) lines must be dedicated solely to TPN administration to prevent dangerous drug incompatibilities and reduce the risk of central line-associated bloodstream infections.
Soru 1218Soru →

A nurse is creating a care plan for a client with an acute exacerbation of multiple sclerosis who has bilateral lower extremity paralysis and frequent bowel incontinence. Which interventions should the nurse include to maintain skin integrity and promote basic comfort? Select all that apply.

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Cevap: Cleanse the perineal region with a pH-balanced no-rinse cleanser and apply a moisture barrier.; Employ a mechanical lift or a friction-reducing slide sheet when moving the client up in bed.; Position a supportive pad under the lower legs from the mid-calf to the ankle to suspend the heels.

Cevap

The appropriate interventions are: cleansing the perineum with a pH-balanced cleanser and applying a moisture barrier; employing a friction-reducing device for movement; and positioning a supportive pad under the calves to suspend the heels.
The correct interventions for maintaining skin integrity and promoting comfort in an immobile client include using a pH-balanced cleanser with a moisture barrier to prevent incontinence-associated dermatitis. Additionally, using friction-reducing devices during repositioning minimizes destructive shear forces on the skin. Suspending the heels by placing support under the lower legs completely offloads pressure from the vulnerable heel areas, preventing localized pressure injuries.

Adım Adım Çözüm

1
Evaluate the client's specific risk factors for skin breakdown.
The client is identified as high risk due to immobility from paralysis and constant moisture exposure from bowel incontinence.
Identifying specific physiological risk factors allows the nurse to select targeted, evidence-based preventive measures.
2
Select interventions that manage moisture and protect the epidermal barrier.
Using a pH-balanced, no-rinse cleanser and applying a moisture barrier are chosen to protect the perineum.
Alkaline soaps can strip the skin's natural oils, while moisture barriers protect the epidermis from the corrosive, macerating effects of feces.
3
Select interventions that minimize shear, friction, and localized pressure on bony prominences.
Using a friction-reducing slide sheet and completely offloading the heels are appropriate. Donut cushions and continuous high Fowler's positioning are rejected as inherently harmful.
Shear and intense localized pressure are the primary mechanical causes of pressure injuries; ring cushions and high backrest angles exacerbate these destructive forces.
4
Determine appropriate delegation of care tasks for this high-risk client.
The task of assessing and documenting skin integrity is retained by the RN rather than being assigned to the UAP.
Initial assessment, ongoing evaluation, and clinical judgment are strictly within the scope of practice of the registered nurse.

Anahtar Kavram

Pressure Injury Prevention and Safe Delegation
Tahmini Süre:2m 0s
Soru 1219Soru →

A nurse is caring for a client who has just returned to the medical-surgical unit following an esophagogastroduodenoscopy (EGD) performed with a topical anesthetic spray to the throat. Which action is the priority for the nurse to take to reduce the client's risk of a potential complication?

Cevabı ve açıklamayı göster

Cevap: Assess for the return of the gag reflex prior to offering ice chips or water

Cevap

The nurse must assess for the return of the gag reflex before offering any oral fluids.
The correct action directly addresses the highest priority risk: aspiration. Because the throat is numbed with a topical anesthetic during an EGD, the gag reflex is temporarily absent. The nurse must verify its return before offering any oral intake to protect the client's airway and prevent aspiration pneumonia.

Adım Adım Çözüm

1
Identify the physiological effects of the procedure.
During an EGD, a topical anesthetic spray is used to numb the throat to suppress the gag reflex and allow scope insertion.
Understanding the procedure's localized effects is essential for anticipating post-operative safety risks.
2
Determine the primary risk associated with a numb throat.
An absent or diminished gag reflex significantly increases the risk of pulmonary aspiration if food or liquid is ingested.
Aspiration is a severe, potentially life-threatening complication that must be prevented.
3
Select the nursing intervention that directly mitigates this risk.
The nurse must verify that the topical anesthetic has worn off by assessing the gag reflex before allowing oral intake.
This specific assessment ensures the airway is protected during swallowing.

Anahtar Kavram

Prevention of aspiration following procedures involving topical throat anesthesia.
Soru 1220Soru →

A client is recovering on the surgical unit 24 hours after a right-sided modified radical mastectomy with an axillary lymph node dissection. The client has a closed-suction drain in place and reports incisional pain. What actions should the nurse implement to optimize the client's basic care and comfort? Select all that apply.

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Elevate the client's right arm on a pillow to promote lymphatic drainage and prevent lymphedema.; Instruct the client to perform finger, wrist, and elbow flexion exercises on the affected side.; Assist the client to a semi-Fowler's position with the back and unaffected side supported by pillows.

Cevap

The nurse should elevate the affected right arm on a pillow, instruct the client to perform distal arm exercises (finger, wrist, and elbow), and position the client in a semi-Fowler's position.
Elevating the right arm promotes lymphatic and venous drainage to prevent lymphedema. Performing distal exercises (finger, wrist, elbow) maintains joint mobility and enhances circulation without straining the chest wall incision. Assisting the client to a semi-Fowler's position with support on the unaffected side reduces incisional tension, facilitates optimal lung expansion, and enhances overall client comfort.

Adım Adım Çözüm

1
Analyze the client's clinical presentation.
The client is in the early post-operative phase following a right mastectomy with lymph node dissection, has a surgical drain, and is experiencing pain.
Understanding the surgical procedure and time frame is essential to determine appropriate positioning, mobility, and safety needs.
2
Evaluate positioning and mobility interventions for basic care.
Elevating the right arm and performing distal joint exercises are indicated to prevent lymphedema and maintain mobility. The semi-Fowler's position reduces incisional tension.
These actions directly promote lymphatic return, prevent contractures, and provide non-pharmacological comfort.
3
Assess the remaining interventions for safety and delegation appropriateness.
Positioning on the operative side, delegating site evaluation to unlicensed assistive personnel, and applying physical restraints are identified as contraindicated actions.
These actions violate principles of post-operative positioning, the scope of practice for delegation, and safe restraint usage guidelines.

Anahtar Kavram

Post-Mastectomy Basic Care and Comfort
Tahmini Süre:2m 0s
ÖncekiSayfa 61 / 98Sonraki
Physiological Integrity Alıştırma Soruları — NCLEX-RN — Sayfa 61 | Examkin