ATI RN
Cardiovascular System Exam Questions And Answers
1. The client on nitroglycerin complains of a headache. What is the most appropriate response by the nurse?
- A. Administer acetaminophen as prescribed for the headache.
- B. Hold the next dose of nitroglycerin.
- C. Discontinue the nitroglycerin immediately.
- D. Notify the healthcare provider immediately.
Correct answer: A
Rationale: The correct response is to administer acetaminophen as prescribed for the headache. Headaches are a common side effect of nitroglycerin due to vasodilation. Administering acetaminophen can help relieve the headache. Holding the next dose of nitroglycerin (Choice B) may not address the current headache, and discontinuing nitroglycerin immediately (Choice C) without healthcare provider guidance can be dangerous due to the potential for rebound hypertension. Notifying the healthcare provider immediately (Choice D) is not necessary for a common side effect like a headache, and the nurse can manage this symptom independently.
2. What is a condition where the heart's electrical impulses are blocked or delayed, leading to a slower or irregular heartbeat?
- A. Heart block
- B. Atrial fibrillation
- C. Tachycardia
- D. Bradycardia
Correct answer: A
Rationale: Heart block is the correct answer. It is a condition where the electrical impulses in the heart are blocked or delayed, resulting in a slower or irregular heartbeat. This can lead to symptoms like dizziness, fainting, or other issues. Atrial fibrillation (B) is characterized by rapid, irregular heartbeats. Tachycardia (C) is a condition where the heart rate is too fast. Bradycardia (D) is the opposite of tachycardia, where the heart rate is too slow.
3. Which type of medication helps to reduce blood pressure by relaxing the blood vessels?
- A. Calcium channel blocker
- B. ACE inhibitor
- C. Beta-blocker
- D. Diuretic
Correct answer: A
Rationale: The correct answer is A, Calcium channel blocker. Calcium channel blockers work by relaxing the blood vessels, making it easier for the heart to pump blood and reducing blood pressure. Choice B, ACE inhibitor, reduces blood pressure by blocking the production of angiotensin II, a substance that narrows blood vessels. Choice C, Beta-blocker, reduces heart rate and the heart's workload, not directly relaxing blood vessels. Choice D, Diuretic, reduces blood pressure by increasing urine output, reducing the volume of fluid in the blood vessels, rather than directly relaxing them.
4. What is the condition where the arteries in the brain become blocked or narrowed, leading to reduced blood flow and a potential stroke?
- A. Cerebral atherosclerosis
- B. Coronary artery disease
- C. Pulmonary embolism
- D. Peripheral artery disease
Correct answer: A
Rationale: Cerebral atherosclerosis is the correct answer. It is a condition where the arteries in the brain become blocked or narrowed due to plaque buildup, leading to reduced blood flow and an increased risk of stroke. Choice B, Coronary artery disease, specifically affects the arteries supplying blood to the heart, not the brain. Choice C, Pulmonary embolism, involves a blockage in the pulmonary artery that affects blood flow to the lungs, not the brain. Choice D, Peripheral artery disease, refers to a condition where blockages occur in arteries outside of the heart and brain, typically affecting the limbs.
5. What is the procedure where a small mesh tube is inserted into an artery to keep it open after angioplasty?
- A. Stent placement
- B. Bypass surgery
- C. Angioplasty
- D. Valve replacement
Correct answer: A
Rationale: The correct answer is A, stent placement. Stent placement involves inserting a small mesh tube into an artery to maintain its openness after angioplasty. This choice is correct because it directly describes the procedure mentioned in the question. Choices B, C, and D are incorrect. Bypass surgery involves rerouting blood flow around a blocked artery using a vessel from another part of the body. Angioplasty is the procedure of widening a narrowed or blocked blood vessel, often followed by stent placement. Valve replacement is a surgical procedure to replace a damaged or diseased heart valve with an artificial or biological valve.
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