ATI RN
Cardiovascular System Practice Exam
1. What is a procedure to remove fluid or air from the pleural space to help a patient breathe easier?
- A. Thoracentesis
- B. Bronchoscopy
- C. Chest X-ray
- D. CT scan
Correct answer: A
Rationale: Correct! Thoracentesis is the correct answer. It is a procedure where fluid or air is removed from the pleural space in the chest to help the patient breathe more easily. Bronchoscopy (choice B) is a procedure to visualize the airways, while Chest X-ray (choice C) and CT scan (choice D) are imaging tests and do not involve the removal of fluid or air from the pleural space.
2. Which term describes a type of abnormal heart rhythm characterized by rapid and irregular beating of the atria?
- A. Atrial fibrillation
- B. Ventricular fibrillation
- C. Atrial flutter
- D. Sinus tachycardia
Correct answer: A
Rationale: The correct answer is Atrial fibrillation. Atrial fibrillation is indeed a type of abnormal heart rhythm characterized by rapid and irregular beating of the atria. This condition can increase the risk of stroke and heart failure. Choice B, Ventricular fibrillation, is incorrect because it refers to a life-threatening arrhythmia that occurs in the ventricles, not the atria. Choice C, Atrial flutter, is incorrect as it describes a different type of atrial arrhythmia characterized by a regular but fast heartbeat. Choice D, Sinus tachycardia, is incorrect because it is a normal increase in heart rate originating from the sinus node, not an abnormal rhythm.
3. The nurse is teaching a client about the side effects of beta blockers. What is the most important side effect to monitor?
- A. Hypotension
- B. Bradycardia
- C. Hyperkalemia
- D. Tachycardia
Correct answer: A
Rationale: The most important side effect to monitor when a client is on beta blockers is hypotension. Beta blockers can cause a significant drop in blood pressure, especially at the initiation of therapy. Monitoring for hypotension is crucial to prevent complications such as dizziness, syncope, or falls. While bradycardia can also occur with beta blockers, hypotension takes precedence due to its immediate impact on perfusion. Hyperkalemia is not a common side effect of beta blockers. Tachycardia is actually a condition that beta blockers aim to treat, so it is not a side effect to monitor.
4. What is a condition where the arteries that supply blood to the heart muscle become hardened and narrowed due to the buildup of plaque?
- A. Atherosclerosis
- B. Aneurysm
- C. Arrhythmia
- D. Peripheral artery disease
Correct answer: A
Rationale: Atherosclerosis is the correct answer. It is a condition characterized by the hardening and narrowing of arteries supplying blood to the heart due to plaque buildup. This condition increases the risk of heart attacks. Choice B, aneurysm, refers to a balloon-like bulge in an artery, not the hardening and narrowing of arteries. Choice C, arrhythmia, is an irregular heartbeat and not related to arterial hardening. Choice D, peripheral artery disease, involves the narrowing of arteries that supply blood to the limbs, not specifically to the heart.
5. The nurse is monitoring a client on dobutamine. What adverse effect should the nurse watch for?
- A. Tachycardia
- B. Bradycardia
- C. Hypertension
- D. Respiratory distress
Correct answer: A
Rationale: The correct answer is A: Tachycardia. Dobutamine is a medication that stimulates beta-1 adrenergic receptors in the heart, leading to increased heart rate. Therefore, tachycardia is a common adverse effect that the nurse should monitor for. Choices B, C, and D are incorrect because dobutamine typically does not cause bradycardia, hypertension, or respiratory distress as its primary adverse effects.
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