ATI RN
Cardiovascular System Exam Questions Pdf
1. Which of the following is a rare genetic disorder that affects the lungs, liver, and skin, causing the buildup of a specific protein that damages organs?
- A. Alpha-1 antitrypsin deficiency
- B. Cystic fibrosis
- C. Wegener's granulomatosis
- D. Marfan syndrome
Correct answer: A
Rationale: The correct answer is Alpha-1 antitrypsin deficiency. This disorder leads to the accumulation of a specific protein that can harm the lungs, liver, and skin. Choice B, Cystic fibrosis, is incorrect because it primarily affects the lungs and digestive system due to a defective gene. Choice C, Wegener's granulomatosis, is an autoimmune disease that involves inflammation of blood vessels, not protein buildup. Choice D, Marfan syndrome, is a connective tissue disorder impacting the heart, blood vessels, bones, and eyes, but not involving protein accumulation that damages organs.
2. The client is on a calcium channel blocker. What is the expected effect on the heart?
- A. Increased heart rate
- B. Decreased heart rate
- C. Increased blood pressure
- D. Decreased blood pressure
Correct answer: D
Rationale: When a client is on a calcium channel blocker, the expected effect on the heart is a decreased heart rate and decreased blood pressure. Calcium channel blockers work by dilating blood vessels and reducing the heart's workload, resulting in decreased blood pressure. Choice A, increased heart rate, is incorrect as calcium channel blockers actually have a negative chronotropic effect, reducing the heart rate. Choice C, increased blood pressure, is also incorrect because these medications are used to lower blood pressure.
3. The client is on a beta blocker for hypertension. What should the nurse monitor for?
- A. Bradycardia
- B. Tachycardia
- C. Hypertension
- D. Respiratory distress
Correct answer: A
Rationale: Corrected Rationale: When a client is on a beta blocker for hypertension, the nurse should monitor for bradycardia. Beta blockers are known to decrease heart rate, which can lead to bradycardia. Tachycardia (choice B) is unlikely as beta blockers have the opposite effect. Hypertension (choice C) is the condition being treated, not a side effect of beta blockers. Respiratory distress (choice D) is not a common effect of beta blockers and is not typically monitored in clients taking beta blockers.
4. What is a type of pneumonia that is contracted by inhaling contaminated water droplets?
- A. Legionnaires' disease
- B. Tuberculosis
- C. Asbestosis
- D. Histoplasmosis
Correct answer: A
Rationale: The correct answer is Legionnaires' disease. Legionnaires' disease is a severe form of pneumonia caused by inhaling water droplets contaminated with Legionella bacteria. This bacterium thrives in water systems such as air conditioning units, hot tubs, and water fountains. Choices B, C, and D are incorrect because Tuberculosis is caused by Mycobacterium tuberculosis, Asbestosis is caused by asbestos fibers, and Histoplasmosis is caused by a fungus found in bird and bat droppings.
5. 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.
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