ATI RN
Cardiovascular System Practice Exam
1. Which of the following is a rare but serious condition where the pulmonary arteries become narrowed, increasing the blood pressure in the lungs?
- A. Pulmonary hypertension
- B. Pulmonary embolism
- C. Pulmonary fibrosis
- D. Aortic stenosis
Correct answer: A
Rationale: The correct answer is A, Pulmonary hypertension. Pulmonary hypertension is a rare but serious condition characterized by high blood pressure in the arteries of the lungs, which can lead to heart failure. Pulmonary embolism (choice B) involves a blockage in one of the pulmonary arteries in the lungs. Pulmonary fibrosis (choice C) is a lung disease that causes lung tissue scarring. Aortic stenosis (choice D) is a condition where the aortic valve narrows, affecting blood flow from the heart.
2. Which condition involves the heart muscle becoming abnormally thickened, reducing its ability to pump blood?
- A. Hypertrophic cardiomyopathy
- B. Dilated cardiomyopathy
- C. Restrictive cardiomyopathy
- D. Ischemic cardiomyopathy
Correct answer: A
Rationale: The correct answer is A: Hypertrophic cardiomyopathy. In this condition, the heart muscle thickens, leading to a decreased ability to pump blood effectively. Choice B, Dilated cardiomyopathy, is characterized by the heart chambers enlarging and weakening. Choice C, Restrictive cardiomyopathy, involves the heart muscle becoming rigid and less compliant. Choice D, Ischemic cardiomyopathy, is when the heart muscle is weakened due to reduced blood flow.
3. What is a condition where the blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients?
- A. Stroke
- B. Heart attack
- C. Pulmonary embolism
- D. Pneumonia
Correct answer: A
Rationale: A stroke occurs when the blood supply to part of the brain is interrupted or reduced, leading to brain cell death and potential disability. Choice B, a heart attack, involves a blockage in the blood vessels that supply the heart muscle. Choice C, a pulmonary embolism, is a blockage in one of the pulmonary arteries in the lungs. Choice D, pneumonia, is an infection that inflames the air sacs in one or both lungs.
4. The client on nitroglycerin complains of a headache. How does the nurse explain this?
- A. This is a normal side effect of nitroglycerin.
- B. This is an allergic reaction to nitroglycerin.
- C. This is an indication of overdose.
- D. This is a sign of heart failure.
Correct answer: A
Rationale: The correct answer is A: 'This is a normal side effect of nitroglycerin.' Headaches are a common side effect of nitroglycerin due to vasodilation. Choice B is incorrect because allergic reactions to nitroglycerin typically present with symptoms like rash, itching, or shortness of breath. Choice C is incorrect as an overdose of nitroglycerin would likely present with symptoms beyond just a headache. Choice D is incorrect because headaches related to nitroglycerin are not indicative of heart failure.
5. What is a chronic lung disease that includes chronic bronchitis and emphysema?
- A. Chronic Obstructive Pulmonary Disease (COPD)
- B. Pneumonia
- C. Asthma
- D. Tuberculosis
Correct answer: A
Rationale: The correct answer is Chronic Obstructive Pulmonary Disease (COPD). COPD is a chronic lung condition that encompasses chronic bronchitis and emphysema, causing airflow obstruction from the lungs. Pneumonia (choice B) is an infection in the lungs, while asthma (choice C) is characterized by airway inflammation and constriction. Tuberculosis (choice D) is a bacterial infection that primarily affects the lungs but is distinct from COPD.
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