ATI RN
Cardiovascular System Exam Questions
1. What is a condition where the heart muscle is weakened and unable to pump blood effectively, often leading to heart failure?
- A. Cardiomyopathy
- B. Myocarditis
- C. Endocarditis
- D. Pericarditis
Correct answer: A
Rationale: Cardiomyopathy is the correct answer. In cardiomyopathy, the heart muscle becomes weak and cannot pump blood effectively, which can lead to heart failure. Myocarditis (choice B) is inflammation of the heart muscle, not specifically causing muscle weakness. Endocarditis (choice C) is an infection of the inner lining of the heart chambers and valves. Pericarditis (choice D) is inflammation of the pericardium, the outer lining of the heart.
2. This is a type of lung disease that results from the inhalation of certain dusts, often in the workplace, leading to lung damage.
- A. Pneumoconiosis
- B. Asbestosis
- C. Silicosis
- D. Anthracosis
Correct answer: A
Rationale: Pneumoconiosis is the correct answer. It is a lung disease caused by inhaling certain types of dust, commonly in a workplace setting, resulting in lung damage. Asbestosis (choice B) is a specific type of pneumoconiosis caused by asbestos fibers. Silicosis (choice C) is another type of pneumoconiosis caused by inhaling crystalline silica dust. Anthracosis (choice D) is a condition characterized by the accumulation of coal dust particles in the lungs, not necessarily resulting in lung damage.
3. What is a condition where the heart beats with an irregular or abnormal rhythm?
- A. Arrhythmia
- B. Hypertension
- C. Tachycardia
- D. Bradycardia
Correct answer: A
Rationale: Arrhythmia is the correct answer because it refers to an irregular or abnormal heart rhythm, which can cause the heart to beat too fast, too slow, or erratically. Hypertension (choice B) is high blood pressure and not directly related to irregular heart rhythm. Tachycardia (choice C) is a condition where the heart beats too quickly, not necessarily irregularly. Bradycardia (choice D) is a condition where the heart beats too slowly, not necessarily irregularly. Therefore, only arrhythmia (choice A) fits the description provided in the question.
4. What is a surgical procedure to remove one of the lobes of the lungs, often performed to treat lung cancer?
- A. Lobectomy
- B. Pneumonectomy
- C. Thoracotomy
- D. Tracheostomy
Correct answer: A
Rationale: A lobectomy is the correct answer. This surgical procedure involves removing one of the lobes of the lungs, commonly done to treat lung cancer or other serious lung ailments. Choice B, pneumonectomy, involves the complete removal of a lung, not just a lobe. Choice C, thoracotomy, is a surgical incision into the chest wall and is not specific to removing a lung lobe. Choice D, tracheostomy, is the creation of an opening in the windpipe to assist with breathing and is unrelated to lung lobe removal.
5. 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.
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