ATI RN
Cardiovascular System Exam Questions
1. The nurse is preparing to administer a beta blocker to a client with hypertension. What is the priority assessment?
- A. Check the client's heart rate.
- B. Check the client's blood pressure.
- C. Check the client's respiratory rate.
- D. Check the client's temperature.
Correct answer: B
Rationale: The correct answer is to check the client's blood pressure. Before administering a beta blocker to a client with hypertension, assessing the blood pressure is crucial because beta blockers can cause hypotension, potentially leading to adverse effects. Checking the heart rate may also be important but is secondary to monitoring the blood pressure in this scenario. Respiratory rate and temperature assessments are not directly related to assessing the client's response to a beta blocker in hypertension management, making choices C and D less relevant.
2. What condition is characterized by the inflammation of the heart's outer lining, often causing chest pain and other symptoms?
- A. Pericarditis
- B. Endocarditis
- C. Myocarditis
- D. Valvular heart disease
Correct answer: A
Rationale: Pericarditis is the correct answer because it is the inflammation of the pericardium, the outer lining of the heart. This condition commonly presents with symptoms like chest pain. Endocarditis (choice B) is the inflammation of the inner lining of the heart chambers and valves. Myocarditis (choice C) is the inflammation of the heart muscle itself. Valvular heart disease (choice D) refers to various conditions affecting the heart valves, not specifically the outer lining of the heart.
3. What is a condition where the blood supply to the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients?
- A. Stroke
- B. Transient ischemic attack (TIA)
- C. Myocardial infarction
- D. Angina
Correct answer: A
Rationale: A stroke is the correct answer. A stroke occurs when the blood supply to part of the brain is interrupted or reduced, leading to a lack of oxygen and nutrients to the brain tissue, causing brain damage. Choices B, C, and D are incorrect because a transient ischemic attack (TIA) is a temporary blockage of blood flow to the brain with no lasting damage, myocardial infarction is a heart attack due to blockage of blood flow to the heart muscle, and angina is chest pain caused by reduced blood flow to the heart.
4. What is the condition where the lung collapses due to air leaking into the space between the lung and chest wall?
- A. Pneumothorax
- B. Pleural effusion
- C. Pulmonary fibrosis
- D. Lung cancer
Correct answer: A
Rationale: Pneumothorax is the correct answer. It is the collapse of a lung due to air leaking into the space between the lung and chest wall. This condition often requires emergency treatment. Choice B, Pleural effusion, is the buildup of excess fluid between the layers of the pleura outside the lung, not air. Choice C, Pulmonary fibrosis, is a lung disease characterized by scarring and thickening of lung tissue, not related to lung collapse. Choice D, Lung cancer, is the uncontrolled growth of abnormal cells in the lung, not directly causing lung collapse.
5. What is a condition where the heart's electrical impulses are delayed or blocked, leading to a slower or irregular heartbeat?
- A. Heart block
- B. Tachycardia
- C. Bradycardia
- D. Arrhythmia
Correct answer: A
Rationale: Heart block is the correct answer because it specifically refers to a condition where the heart's electrical impulses are delayed or blocked, resulting in a slower or irregular heartbeat. Tachycardia (choice B) is a condition characterized by a fast heart rate, Bradycardia (choice C) is a slow heart rate, and Arrhythmia (choice D) is a general term used to describe any abnormal heart rhythm, which may or may not involve delays or blocks in electrical impulses.
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