ATI RN
Cardiovascular System Exam
1. What procedure is used to remove fluid from the pleural space to help a patient breathe more easily?
- A. Thoracentesis
- B. Bronchoscopy
- C. Echocardiogram
- D. CT scan
Correct answer: A
Rationale: Thoracentesis is the correct answer. It is a procedure where a needle is inserted into the pleural space to drain fluid, relieving pressure and helping the patient breathe more easily. Bronchoscopy (choice B) is a procedure used to examine the airways, not to drain fluid. An echocardiogram (choice C) is an imaging test to assess the heart's structure and function, not related to draining pleural fluid. A CT scan (choice D) is a cross-sectional imaging test that provides detailed pictures of the inside of the body, not used for draining pleural fluid.
2. What condition involves the heart's electrical system malfunctioning, causing very fast heartbeats originating from the ventricles?
- A. Ventricular tachycardia
- B. Atrial fibrillation
- C. Supraventricular tachycardia
- D. Bradycardia
Correct answer: A
Rationale: Ventricular tachycardia is the correct answer. It is a condition characterized by the heart's electrical system malfunctioning, leading to very fast heartbeats originating from the ventricles. Ventricular tachycardia can be life-threatening as it may progress to ventricular fibrillation, causing cardiac arrest. Atrial fibrillation (choice B) involves rapid, irregular beating of the atria, not the ventricles. Supraventricular tachycardia (choice C) originates above the ventricles and does not involve ventricular malfunction. Bradycardia (choice D) is the opposite of tachycardia, characterized by an abnormally slow heart rate.
3. What is a condition characterized by episodes of severe, acute shortness of breath, often occurring at night?
- A. Paroxysmal nocturnal dyspnea
- B. Sleep apnea
- C. Orthopnea
- D. Dyspnea
Correct answer: A
Rationale: Paroxysmal nocturnal dyspnea is the correct answer. It is characterized by sudden episodes of severe shortness of breath during sleep, often waking the individual. Choice B, Sleep apnea, involves pauses in breathing during sleep but does not usually present with acute shortness of breath. Choice C, Orthopnea, refers to shortness of breath that occurs when lying flat and is relieved by sitting up. Choice D, Dyspnea, is a general term for difficult or labored breathing and does not specifically describe acute episodes at night.
4. Which term refers to a condition where the blood supply to part of the heart muscle is blocked, often referred to as a heart attack?
- A. Myocardial infarction
- B. Arrhythmia
- C. Stroke
- D. Aneurysm
Correct answer: A
Rationale: The correct answer is A, myocardial infarction. A myocardial infarction, commonly known as a heart attack, occurs when the blood supply to part of the heart muscle is blocked, often by a blood clot. Choices B, C, and D are incorrect because arrhythmia refers to an irregular heartbeat, stroke involves the interruption of blood flow to the brain, and an aneurysm is a bulge in a blood vessel.
5. The nurse is caring for a client on amiodarone who complains of visual disturbances. What is the nurse’s best response?
- A. Notify the healthcare provider immediately.
- B. Reassure the client that this is a common side effect.
- C. Advise the client to monitor their symptoms at home.
- D. Suggest the client reduce physical activity.
Correct answer: A
Rationale: The correct answer is to notify the healthcare provider immediately. Visual disturbances in a client taking amiodarone can indicate amiodarone toxicity, a serious side effect. Notifying the healthcare provider promptly is essential for further assessment and management. Reassuring the client that this is a common side effect (choice B) is incorrect as visual disturbances should not be dismissed without evaluation. Advising the client to monitor their symptoms at home (choice C) may delay necessary intervention. Suggesting the client reduce physical activity (choice D) is unrelated to addressing visual disturbances caused by amiodarone.
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