the nurse is preparing to administer heparin to a client what lab value should be monitored
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Cardiovascular System Exam Questions And Answers

1. The healthcare provider is preparing to administer heparin to a client. What lab value should be monitored?

Correct answer: B

Rationale: The correct lab value that should be monitored when administering heparin is the aPTT (activated partial thromboplastin time). Heparin affects the intrinsic pathway of the coagulation cascade, and aPTT is a sensitive measure to assess the effectiveness of heparin therapy. Monitoring aPTT helps in adjusting the heparin dose to maintain the desired anticoagulant effect. PT/INR is more specific to monitor warfarin therapy, not heparin. Platelet count and hemoglobin levels are important parameters to assess bleeding tendencies and oxygen-carrying capacity but are not directly related to monitoring heparin therapy.

2. What is a condition where the walls of the arteries in the lungs become thickened and stiff, leading to increased blood pressure in the pulmonary arteries?

Correct answer: A

Rationale: Pulmonary hypertension is a condition characterized by the thickening and stiffening of the arteries in the lungs, resulting in elevated blood pressure in the pulmonary arteries. This condition is distinct from the other choices provided. Pulmonary fibrosis involves scarring of lung tissue, pulmonary embolism is a blockage in the pulmonary artery, and pulmonary edema is the accumulation of fluid in the lungs.

3. What is the accumulation of fatty deposits along the walls of arteries, leading to reduced blood flow?

Correct answer: A

Rationale: Atherosclerosis is the correct answer. It refers to the buildup of fatty deposits (plaque) along the inner walls of arteries, narrowing the blood vessels and reducing blood flow. This condition can lead to serious complications such as heart attacks or strokes. Arteriosclerosis (choice B) is a broader term that refers to the thickening and hardening of the arterial walls. While related, it is not as specific as atherosclerosis in describing the fatty deposit accumulation. Aneurysm (choice C) is the abnormal bulging of an artery wall that can rupture and cause internal bleeding, not specifically related to fatty deposits. Thrombosis (choice D) is the formation of a blood clot within a blood vessel, which can obstruct blood flow, but it is not directly related to the accumulation of fatty deposits.

4. The nurse is administering an ACE inhibitor to a client. What is the most common side effect?

Correct answer: A

Rationale: The correct answer is A: Cough. Cough is a well-known side effect of ACE inhibitors due to an increase in bradykinin levels. This irritating cough can be bothersome to clients and should be monitored. Choice B, Dizziness, is not the most common side effect of ACE inhibitors. While ACE inhibitors can cause hypotension (Choice C), cough is more prevalent. Hyperkalemia (Choice D) is a possible side effect of ACE inhibitors but is less common compared to cough.

5. The client on amiodarone reports shortness of breath. What is the nurse’s best response?

Correct answer: A

Rationale: When a client on amiodarone reports shortness of breath, it can be indicative of pulmonary toxicity, a severe side effect associated with this medication. The nurse's priority is to notify the healthcare provider immediately to assess the situation and determine the appropriate course of action. Choice B is incorrect because shortness of breath with amiodarone should not be dismissed as a common side effect. Instructing the client to monitor symptoms at home (Choice C) may delay necessary intervention. Suggesting the client reduce physical activity (Choice D) does not address the potential serious nature of the symptom and the need for prompt evaluation.

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