ATI RN
Physical Exam Cardiovascular System
1. The nurse is administering a beta blocker to a client with a heart rate of 50 bpm. What is the priority action?
- A. Hold the beta blocker and notify the healthcare provider.
- B. Administer the beta blocker as ordered.
- C. Decrease the dose of the beta blocker.
- D. Monitor the client’s heart rate and reassess in 30 minutes.
Correct answer: A
Rationale: The correct action is to hold the beta blocker and notify the healthcare provider. A heart rate of 50 bpm is already low, and beta blockers can further decrease the heart rate, potentially causing adverse effects like bradycardia or heart block. Administering the beta blocker as ordered (Choice B) can exacerbate the low heart rate. Decreasing the dose of the beta blocker (Choice C) may not be sufficient to address the potential harm. Monitoring the client’s heart rate and reassessing in 30 minutes (Choice D) may delay necessary interventions if the heart rate drops further. Therefore, the priority is to hold the medication and seek guidance from the healthcare provider.
2. The client asks about side effects of taking digoxin. How does the nurse respond?
- A. Anorexia can be a side effect of digoxin.
- B. Tachycardia can be a side effect of digoxin.
- C. Constipation can be a side effect of digoxin.
- D. Urinary retention can be a side effect of digoxin.
Correct answer: A
Rationale: The correct answer is A: 'Anorexia can be a side effect of digoxin.' Anorexia, nausea, vomiting, and diarrhea are commonly known side effects of digoxin. Choice B, 'Tachycardia can be a side effect of digoxin,' is incorrect as digoxin is used to treat tachycardia, not cause it. Choice C, 'Constipation can be a side effect of digoxin,' is incorrect as constipation is not a typical side effect of digoxin. Choice D, 'Urinary retention can be a side effect of digoxin,' is also incorrect as urinary retention is not a common side effect associated with digoxin use.
3. What is a surgical procedure to replace a damaged or diseased heart valve with a prosthetic valve?
- A. Valve replacement
- B. Angioplasty
- C. Stent placement
- D. Bypass surgery
Correct answer: A
Rationale: Valve replacement is the correct answer because it involves replacing a damaged or diseased heart valve with a prosthetic valve. This procedure is essential for improving blood flow and heart function. Angioplasty (choice B) is a procedure to widen narrowed or obstructed arteries. Stent placement (choice C) involves inserting a mesh tube to help support weak arteries. Bypass surgery (choice D) is a procedure to create new routes for blood flow when arteries are blocked.
4. When administering enoxaparin (Lovenox) to a client for DVT prophylaxis, what is the most important lab value to monitor?
- A. Platelet count
- B. PT/INR
- C. aPTT
- D. Hemoglobin
Correct answer: A
Rationale: The correct answer is A: Platelet count. When administering enoxaparin (Lovenox) for DVT prophylaxis, it is crucial to monitor the platelet count as enoxaparin can lead to thrombocytopenia, a decrease in platelet levels. Monitoring the platelet count helps in early detection of this potential adverse effect. Choices B, C, and D are incorrect because PT/INR, aPTT, and hemoglobin levels are not the most important lab values to monitor specifically for enoxaparin administration and DVT prophylaxis.
5. The nurse is teaching a client about side effects of ACE inhibitors. What is the most important side effect to monitor?
- A. Cough
- B. Hyperkalemia
- C. Hypotension
- D. Dizziness
Correct answer: A
Rationale: The correct answer is A: Cough. ACE inhibitors commonly cause a persistent dry cough in patients. This side effect is important to monitor because it can indicate the development of angioedema, a serious adverse reaction that requires immediate medical attention. Hyperkalemia (choice B) is a potential side effect of ACE inhibitors but is not typically the most important one to monitor. Hypotension (choice C) and dizziness (choice D) are also possible side effects of ACE inhibitors, but they are not as critical to monitor as the development of a persistent cough.
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