Nursing Elites

1. The client is receiving heparin therapy for deep vein thrombosis (DVT). Which lab test should be monitored to evaluate the effectiveness of heparin?

• A. Prothrombin time (PT)
• B. International normalized ratio (INR)
• C. Activated partial thromboplastin time (aPTT)
• D. Fibrinogen levels

Correct answer: C

Rationale: Activated partial thromboplastin time (aPTT) is the appropriate lab test to monitor the therapeutic effectiveness of heparin therapy. Heparin affects the intrinsic pathway of the coagulation cascade, and monitoring aPTT helps ensure the client is within the therapeutic range to prevent clot formation. Prothrombin time (PT) and International normalized ratio (INR) are used to monitor warfarin therapy, a different anticoagulant that affects the extrinsic pathway of the coagulation cascade. Fibrinogen levels are not specific to monitoring heparin therapy.

2. A client with peripheral arterial disease complains of leg pain while walking. The nurse should reinforce which teaching point with the client?

• A. Wear compression stockings daily.
• B. Increase daily walking distance gradually.
• C. Elevate legs above heart level when resting.
• D. Use a heating pad to soothe leg muscles.

Correct answer: B

Rationale: For clients with peripheral arterial disease experiencing leg pain while walking, the priority teaching point is to gradually increase daily walking distance. This approach helps improve circulation, build tolerance, and reduce symptoms over time. While compression stockings can be beneficial for circulation, they are not the priority teaching point in this scenario. Elevating legs above heart level when resting is more appropriate for clients with venous insufficiency, not peripheral arterial disease. Using a heating pad is not recommended as it can potentially cause burns or skin damage in clients with compromised circulation.

3. The client is receiving enalapril (Vasotec). The nurse should monitor the client for which potential adverse effect?

• A. Hypertension
• B. Hypotension
• C. Tachycardia
• D. Hyperglycemia

Correct answer: B

Rationale: Enalapril is an ACE inhibitor that works by dilating blood vessels and reducing blood pressure. Therefore, monitoring for hypotension is crucial as it can be a potential adverse effect of this medication. Hypertension, tachycardia, and hyperglycemia are not typically associated with enalapril use. Hypertension is the condition enalapril is used to treat, so it would not be an adverse effect. Tachycardia is not a common adverse effect of enalapril. Enalapril does not typically cause hyperglycemia, as it primarily affects blood pressure regulation.

4. A client with a diagnosis of heart failure is prescribed spironolactone (Aldactone). Which laboratory value should the nurse monitor closely?

• A. Serum calcium
• B. Serum potassium
• C. Serum sodium
• D. Serum glucose

Correct answer: B

Rationale: The correct answer is B: Serum potassium. Spironolactone is a potassium-sparing diuretic, which can lead to hyperkalemia. Monitoring serum potassium levels is crucial to prevent potential complications related to high potassium levels, such as cardiac arrhythmias. Therefore, close monitoring of serum potassium is essential for clients taking spironolactone. Choices A, C, and D are incorrect because spironolactone does not directly impact serum calcium, sodium, or glucose levels significantly. While these values may be monitored for other reasons in a client with heart failure, they are not the primary focus of monitoring when spironolactone is prescribed.

5. The client has atrial fibrillation and is receiving warfarin (Coumadin) therapy. Which laboratory test should be monitored to evaluate the effectiveness of the warfarin therapy?

• A. Prothrombin time (PT) and international normalized ratio (INR)
• B. Activated partial thromboplastin time (aPTT)
• C. Complete blood count (CBC)
• D. Fibrinogen levels

Correct answer: A

Rationale: Monitoring the Prothrombin time (PT) and international normalized ratio (INR) is crucial for assessing the effectiveness of warfarin therapy. These tests help determine the clotting ability of the blood and ensure that the client is within the desired therapeutic range to prevent clotting events or bleeding complications. Activated partial thromboplastin time (aPTT) (Choice B) is more commonly used to monitor heparin therapy, not warfarin. Complete blood count (CBC) (Choice C) and fibrinogen levels (Choice D) do not directly assess the effectiveness of warfarin therapy in the same way that PT and INR do.

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