ATI RN
Cardiovascular System Exam Questions
1. The client is on nitroglycerin and reports chest pain. What is the nurse’s priority action?
- A. Administer nitroglycerin as ordered.
- B. Administer morphine as ordered.
- C. Administer aspirin as ordered.
- D. Notify the healthcare provider immediately.
Correct answer: D
Rationale: The correct answer is D: Notify the healthcare provider immediately. If a client on nitroglycerin reports chest pain, the priority action is to notify the healthcare provider immediately. This is crucial to ensure prompt reassessment of the client's condition and treatment plan. Administering nitroglycerin, morphine, or aspirin without consulting the healthcare provider first can be risky as the chest pain may indicate a need for a change in treatment or further evaluation. Administering medications without proper assessment and guidance can lead to complications and is not recommended in this scenario.
2. What procedure involves inserting a flexible tube with a light and camera into the airways to examine the lungs and collect samples?
- A. Bronchoscopy
- B. Thoracentesis
- C. Lung biopsy
- D. Chest X-ray
Correct answer: A
Rationale: The correct answer is A: Bronchoscopy. Bronchoscopy is a procedure that entails inserting a flexible tube with a light and camera into the airways to examine the lungs and collect tissue or fluid samples. This procedure is commonly performed to diagnose lung conditions such as infections, tumors, or obstructions. Choice B, thoracentesis, involves inserting a needle into the pleural space to remove fluid for diagnostic or therapeutic purposes related to the lungs or pleura, not the airways. Choice C, lung biopsy, typically involves obtaining tissue samples from the lungs for further examination, not directly visualizing the airways. Choice D, chest X-ray, is a diagnostic imaging technique that uses radiation to create images of the chest area, providing a different type of information compared to bronchoscopy.
3. What procedure uses a catheter to open blocked coronary arteries and improve blood flow to the heart muscle?
- A. Angioplasty
- B. Stent placement
- C. Coronary artery bypass graft (CABG)
- D. Valve replacement
Correct answer: A
Rationale: The correct answer is A, Angioplasty. Angioplasty is a procedure where a catheter is used to open blocked coronary arteries and may involve the insertion of a stent to improve blood flow to the heart muscle. Stent placement (B) is a related procedure but specifically refers to the insertion of a stent. Coronary artery bypass graft (CABG) (C) is a surgical procedure that uses blood vessels to bypass blocked coronary arteries. Valve replacement (D) is a different procedure that involves replacing a heart valve, not opening blocked coronary arteries.
4. What term describes the phenomenon wherein decreased BP causes a reflex SNS response with increased pulse, increased contractility, and vasoconstriction; and increased BP causes reflex vagal responses resulting in decreased heart rate and passive vasodilation in the systemic arterioles?
- A. Baroreflex
- B. Cheyne-Stokes breathing
- C. Frank-Starling Law
- D. Starling reflex
Correct answer: A
Rationale: The correct answer is A: Baroreflex. The Baroreflex is a mechanism by which the body maintains blood pressure homeostasis through reflexive adjustments in heart rate and vascular tone. Choice B, Cheyne-Stokes breathing, is a pattern of breathing characterized by progressively deeper and sometimes faster breathing, followed by a gradual decrease that results in a temporary stop in breathing. Choices C and D, Frank-Starling Law and Starling reflex, are related to the intrinsic ability of the heart to adjust its output based on venous return, not specifically regulating blood pressure through reflex adjustments in heart rate and vascular tone as seen in the described phenomenon.
5. 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.
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