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Cardiovascular System Exam Questions Pdf
1. Which order should the nurse question?
- A. The addition of a loop diuretic with digoxin.
- B. The addition of a beta blocker with digoxin.
- C. A digoxin dose of 0.125 mg per day.
- D. The addition of an ACE inhibitor with digoxin.
Correct answer: B
Rationale: The correct answer is B because adding a beta blocker to digoxin can potentiate the bradycardic effect of digoxin, leading to serious complications such as heart block. This combination requires caution as it can significantly slow down the heart rate. Choices A, C, and D are not the best options to question in this scenario. Loop diuretics are commonly used with digoxin, a digoxin dose of 0.125 mg per day is within the typical range, and ACE inhibitors are often prescribed alongside digoxin for managing heart conditions.
2. What term describes a condition where a person experiences difficulty breathing when lying flat and requires multiple pillows to sleep comfortably?
- A. Orthopnea
- B. Dyspnea
- C. Tachypnea
- D. Bradypnea
Correct answer: A
Rationale: The correct answer is A, Orthopnea. Orthopnea is a condition where a person finds it hard to breathe while lying flat and needs to use multiple pillows to sleep comfortably. This position helps relieve the discomfort by allowing better lung expansion. Choice B, Dyspnea, refers to difficulty breathing in general, not specifically related to lying flat. Choice C, Tachypnea, is rapid breathing and is not directly related to difficulty breathing while lying down. Choice D, Bradypnea, is slow breathing and does not describe the condition of having trouble breathing when lying flat.
3. This is the inflammation of the heart's inner lining, usually caused by an infection.
- A. Endocarditis
- B. Myocarditis
- C. Pericarditis
- D. Valvulitis
Correct answer: A
Rationale: Endocarditis is the inflammation of the inner lining of the heart's chambers and valves, usually caused by a bacterial infection. Myocarditis is the inflammation of the heart muscle, Pericarditis is the inflammation of the pericardium (the outer lining of the heart), and Valvulitis is the inflammation of the heart valves. Therefore, in this case, the correct answer is Endocarditis as it specifically refers to the inflammation of the heart's inner lining.
4. What is the buildup of plaque in the arteries that can lead to heart attack, stroke, and other cardiovascular diseases?
- A. Atherosclerosis
- B. Arteriosclerosis
- C. Hypertension
- D. Diabetes
Correct answer: A
Rationale: Atherosclerosis is the correct answer. It is the buildup of plaque in the arteries, leading to the narrowing of blood vessels, reduced blood flow, and an increased risk of heart attacks, strokes, and other cardiovascular diseases. Arteriosclerosis (choice B) refers to the hardening and thickening of arterial walls, while hypertension (choice C) is high blood pressure, and diabetes (choice D) is a metabolic disorder characterized by high blood sugar levels. Therefore, choices B, C, and D are incorrect in the context of the question.
5. What procedure is used to remove fluid from the pleural space to help a patient breathe more easily?
- A. Thoracentesis
- B. Bronchoscopy
- C. Echocardiogram
- D. CT scan
Correct answer: A
Rationale: Thoracentesis is the correct answer. It is a procedure where a needle is inserted into the pleural space to drain fluid, relieving pressure and helping the patient breathe more easily. Bronchoscopy (choice B) is a procedure used to examine the airways, not to drain fluid. An echocardiogram (choice C) is an imaging test to assess the heart's structure and function, not related to draining pleural fluid. A CT scan (choice D) is a cross-sectional imaging test that provides detailed pictures of the inside of the body, not used for draining pleural fluid.
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