A client has a triple lumen subclavian central venous catheter (CVC) with D51/2NS infusing through one lumen (port) at 75 mL per hour. The nurse has an order to transfuse one unit of packed red blood cells (PRBCs). The nurse's safest action is to:

contact the prescriber to decrease the rate of the D51/2 NS during the blood transfusion

stop the D51/2NS, check the client's vitals & notify the prescriber.

Fluids cannot be given through a CVC.

Insert a 22 gauge peripheral IV to administer the transfusion

transfuse the unit of packed red blood cells through a separate lumen of the CVC

Answer and Explanation

The Correct Answer is E

A. contact the prescriber to decrease the rate of the D51/2NS during the blood transfusion: There's no need to alter the rate of maintenance fluids unless there's a fluid volume concern. Additionally, decreasing the rate would not address the need for a dedicated blood transfusion line if another lumen is available.

B. stop the D51/2NS, check the client's vitals & notify the prescriber: Stopping necessary fluids without cause may compromise fluid balance. Unless there's a compatibility issue or no other lumen, stopping the infusion is not the safest or most efficient action.

C. Fluids cannot be given through a CVC: Central venous catheters are routinely used for administering fluids, medications, and blood products, especially in critical care settings.

D. Insert a 22 gauge peripheral IV to administer the transfusion: While blood can be given through a peripheral IV, using an existing central venous catheter is safer and more efficient, especially when multiple lumens are available. Inserting a new IV unnecessarily increases infection and complication risks.

E. transfuse the unit of packed red blood cells through a separate lumen of the CVC: This is the safest and most appropriate action. Triple-lumen CVCs allow for simultaneous infusions through separate channels without mixing. Blood should be transfused through a dedicated lumen to avoid incompatibility or dilution by other fluids.

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Correct Answer is B

Explanation

A. Teach the client how to change the pacemaker dressing: Client education is important but not a priority in the immediate post-procedure phase. Dressing changes should initially be performed using sterile technique by clinical staff to prevent infection at the insertion site.

B. Immobilize the affected arm using a sling: After pacemaker insertion, the affected arm (usually on the side of the implantation) should be immobilized or limited in movement to prevent lead dislodgment. Elevating the arm above the shoulder or excessive motion can compromise pacemaker lead placement during the early healing period.

C. Arrange for ancillary personnel to feed the client: Assistance with feeding is only necessary if the client has physical or cognitive limitations. This is not a routine or priority intervention following pacemaker insertion unless clinically indicated by other assessments.

D. Monitor urine output every two hours: Frequent monitoring of urine output is not directly related to pacemaker insertion unless there are other concerns such as fluid imbalance or renal dysfunction. It's not a standard intervention in the immediate care plan for this procedure.

A. Amiodarone B. Digoxin C. Verapamil D. Carvedilol

Correct Answer is A

Explanation

A. Amiodarone: Amiodarone is a Class III antiarrhythmic that primarily works by blocking potassium channels, thereby prolonging repolarization and the action potential duration. It is used to manage various atrial and ventricular arrhythmias, including atrial fibrillation and ventricular tachycardia.

B. Digoxin: Digoxin is a cardiac glycoside that increases myocardial contractility and slows conduction through the AV node. It does not affect potassium channels directly but rather works by inhibiting the sodium-potassium ATPase pump.

C. Verapamil: Verapamil is a calcium channel blocker (Class IV antiarrhythmic) that slows conduction through the AV node and is used to treat supraventricular tachyarrhythmias and hypertension. It has no significant effect on potassium channels.

D. Carvedilol: Carvedilol is a non-selective beta-blocker with some alpha-blocking effects. It reduces heart rate and blood pressure but does not block potassium channels or have antiarrhythmic properties in that classification.

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A client has a triple lumen subclavian central venous catheter (CVC) with D51/2NS infusing through one lumen (port) at 75 mL per hour. The nurse has an order to transfuse one unit of packed red blood cells (PRBCs). The nurse's safest action is to:

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Naxlex Comprehensive Predictor Exams

The nurse is caring for a client immediately following the insertion of a permanent pacemaker. Which intervention should be included in the plan of care?

Correct Answer is B

Explanation

The nurse understands that which of the following medications is a potassium channel blocker?

Correct Answer is A

Explanation

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A client has a triple lumen subclavian central venous catheter (CVC) with D51/2NS infusing through one lumen (port) at 75 mL per hour. The nurse has an order to transfuse one unit of packed red blood cells (PRBCs). The nurse's safest action is to:

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