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Cardiovascular System Exam Questions Pdf
1. This is a procedure where a small mesh tube is inserted into an artery to keep it open and improve blood flow.
- A. Stent placement
- B. Angioplasty
- C. Bypass surgery
- D. Coronary artery bypass graft (CABG)
Correct answer: A
Rationale: Stent placement is a procedure where a small mesh tube (stent) is inserted into an artery to keep it open and improve blood flow, often following angioplasty.
2. What is a condition where the heart's mitral valve does not close properly, causing blood to leak backward into the left atrium?
- A. Mitral valve prolapse
- B. Aortic stenosis
- C. Mitral stenosis
- D. Tricuspid regurgitation
Correct answer: A
Rationale: Mitral valve prolapse is the correct answer. It occurs when the mitral valve does not close properly, leading to blood leaking backward into the left atrium. This condition can manifest with symptoms such as palpitations and chest pain. Choices B, C, and D are incorrect because aortic stenosis involves narrowing of the aortic valve, mitral stenosis is the narrowing of the mitral valve, and tricuspid regurgitation is when blood leaks backward through the tricuspid valve.
3. Which of the following is a chronic lung disease that results in the gradual destruction of the alveoli, causing difficulty breathing and reduced oxygen exchange?
- A. Emphysema
- B. Bronchitis
- C. Pulmonary hypertension
- D. Sarcoidosis
Correct answer: A
Rationale: Emphysema is the correct answer as it is a chronic lung disease characterized by the gradual destruction of the alveoli, which are essential for oxygen exchange. This destruction leads to difficulty breathing and reduced oxygen levels in the blood. Bronchitis is an inflammation of the bronchial tubes, not specifically involving alveoli destruction. Pulmonary hypertension is a condition of high blood pressure in the arteries of the lungs, not directly related to alveoli destruction. Sarcoidosis is a disease characterized by the growth of tiny collections of inflammatory cells in different parts of the body, including the lungs, but it does not primarily involve the destruction of alveoli.
4. What is a chronic condition where the heart is unable to pump blood efficiently, leading to fluid buildup in the lungs and other parts of the body?
- A. Heart failure
- B. Cardiomyopathy
- C. Pericarditis
- D. Aortic stenosis
Correct answer: A
Rationale: Heart failure is the correct answer. It is a chronic condition characterized by the heart's inability to pump blood efficiently, resulting in symptoms like fluid buildup in the lungs and other parts of the body, shortness of breath, fatigue, and fluid retention. Cardiomyopathy (choice B) refers to diseases of the heart muscle, but it is a broader category that includes various conditions affecting the heart muscle. Pericarditis (choice C) is the inflammation of the pericardium, the sac surrounding the heart, and aortic stenosis (choice D) is a condition where the aortic valve narrows, restricting blood flow from the heart.
5. The client on spironolactone should avoid which of the following?
- A. Foods high in potassium
- B. Foods high in sodium
- C. Foods high in calcium
- D. Foods high in chloride
Correct answer: A
Rationale: The correct answer is A: Foods high in potassium. Spironolactone is a potassium-sparing diuretic, meaning it helps the body retain potassium and excrete sodium. Consuming foods high in potassium while on spironolactone can lead to an excess of potassium in the body, potentially causing hyperkalemia. Choices B, C, and D are incorrect because spironolactone does not directly interact with sodium, calcium, or chloride in a way that would require specific dietary restrictions related to these minerals.
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