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Cardiovascular System Exam Questions And Answers
1. What procedure uses a balloon to open narrowed or blocked blood vessels in the heart?
- A. Angioplasty
- B. Coronary artery bypass graft
- C. Stent placement
- D. Valve replacement
Correct answer: A
Rationale: The correct answer is Angioplasty. Angioplasty is a procedure that involves using a balloon to open narrowed or blocked blood vessels in the heart, thereby improving blood flow. This choice is correct because it directly matches the description provided in the question. Choices B, C, and D are incorrect because they involve different procedures: Bypass graft is a surgical procedure to redirect blood flow, stent placement involves inserting a mesh tube to keep an artery open, and valve replacement is the surgical replacement of a heart valve.
2. The client on amiodarone develops pulmonary fibrosis. What action should the nurse take?
- A. Notify the healthcare provider immediately.
- B. Continue the medication and monitor lung function.
- C. Discontinue the medication and start oxygen therapy.
- D. Reduce the dose and monitor respiratory status.
Correct answer: A
Rationale: When a client on amiodarone develops pulmonary fibrosis, a serious side effect, the immediate action the nurse should take is to notify the healthcare provider. This is crucial because pulmonary fibrosis can lead to severe respiratory compromise and requires prompt evaluation and management by the healthcare provider. Continuing the medication (choice B) can worsen the condition, and delaying action by reducing the dose and monitoring respiratory status (choice D) may not be appropriate given the seriousness of pulmonary fibrosis. Discontinuing the medication and starting oxygen therapy (choice C) may be necessary, but the priority is to notify the healthcare provider first for further assessment and guidance.
3. Which type of medication is used to reduce the workload on the heart by slowing down the heart rate and lowering blood pressure?
- A. Beta-blocker
- B. ACE inhibitor
- C. Calcium channel blocker
- D. Diuretic
Correct answer: A
Rationale: The correct answer is A: Beta-blocker. Beta-blockers are medications that reduce the workload on the heart by slowing down the heart rate and lowering blood pressure. They are commonly used in the treatment of heart conditions such as hypertension and heart failure. ACE inhibitors (B) work by dilating blood vessels to reduce blood pressure, calcium channel blockers (C) prevent calcium from entering the heart muscle and blood vessel walls, and diuretics (D) help the body get rid of excess salt and water by increasing urine production.
4. Which type of lung cancer is strongly associated with exposure to asbestos?
- A. Mesothelioma
- B. Adenocarcinoma
- C. Squamous cell carcinoma
- D. Small cell lung cancer
Correct answer: A
Rationale: The correct answer is Mesothelioma. This type of lung cancer is indeed strongly associated with exposure to asbestos, affecting the lining of the lungs or abdomen. Adenocarcinoma, Squamous cell carcinoma, and Small cell lung cancer are not primarily linked to asbestos exposure, making them incorrect choices for this question.
5. Which of the following is a genetic disorder that causes thick, sticky mucus to build up in the lungs and digestive system, leading to severe respiratory and digestive problems?
- A. Cystic fibrosis
- B. Pulmonary fibrosis
- C. Pulmonary edema
- D. Bronchiectasis
Correct answer: A
Rationale: The correct answer is A, cystic fibrosis. Cystic fibrosis is a genetic disorder characterized by the buildup of thick, sticky mucus in the lungs and digestive system, resulting in severe respiratory and digestive issues. Choice B, pulmonary fibrosis, involves scarring and thickening of lung tissue, not excessive mucus production. Choice C, pulmonary edema, refers to fluid accumulation in the lungs, not mucus buildup. Choice D, bronchiectasis, is a condition where the airways in the lungs are damaged and widened, leading to chronic cough and sputum production, but it does not specifically involve the thick, sticky mucus characteristic of cystic fibrosis.
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