ATI RN
Cardiovascular System Practice Exam
1. 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.
2. What is a procedure to remove fluid or air from the pleural space to help a patient breathe easier?
- A. Thoracentesis
- B. Bronchoscopy
- C. Chest X-ray
- D. CT scan
Correct answer: A
Rationale: Correct! Thoracentesis is the correct answer. It is a procedure where fluid or air is removed from the pleural space in the chest to help the patient breathe more easily. Bronchoscopy (choice B) is a procedure to visualize the airways, while Chest X-ray (choice C) and CT scan (choice D) are imaging tests and do not involve the removal of fluid or air from the pleural space.
3. The nurse is giving a client an IV bolus of heparin. What is the most important nursing action?
- A. Monitor the client's heart rate.
- B. Check the client's blood pressure.
- C. Check for signs of bleeding.
- D. Monitor the client's respiratory rate.
Correct answer: A
Rationale: When administering an IV bolus of heparin, the most important nursing action is to monitor the client's heart rate. Heparin can cause bradycardia as a side effect, making it crucial to assess the heart rate for any abnormalities. Checking the blood pressure (Choice B) is important but not as critical as monitoring the heart rate. While checking for signs of bleeding (Choice C) is essential, it is not the most crucial action when administering heparin. Monitoring the respiratory rate (Choice D) is also important but not as directly related to the potential side effects of heparin as monitoring the heart rate.
4. What test uses high-frequency sound waves to create images of the heart, allowing doctors to assess its structure and function?
- A. Echocardiogram
- B. MRI
- C. CT scan
- D. X-ray
Correct answer: A
Rationale: The correct answer is an echocardiogram. An echocardiogram utilizes high-frequency sound waves (ultrasound) to create images of the heart, enabling doctors to evaluate its structure, function, and detect any abnormalities. MRI (Choice B) uses magnetic fields and radio waves to produce detailed images of the body's structures. CT scan (Choice C) combines X-rays and computer technology to create cross-sectional images of the body. X-ray (Choice D) uses electromagnetic radiation to produce images of the internal structures of the body, but it is not the most suitable for assessing the heart's structure and function.
5. The client asks about side effects of taking digoxin. How does the nurse respond?
- A. Anorexia can be a side effect of digoxin.
- B. Tachycardia can be a side effect of digoxin.
- C. Constipation can be a side effect of digoxin.
- D. Urinary retention can be a side effect of digoxin.
Correct answer: A
Rationale: The correct answer is A: 'Anorexia can be a side effect of digoxin.' Anorexia, nausea, vomiting, and diarrhea are commonly known side effects of digoxin. Choice B, 'Tachycardia can be a side effect of digoxin,' is incorrect as digoxin is used to treat tachycardia, not cause it. Choice C, 'Constipation can be a side effect of digoxin,' is incorrect as constipation is not a typical side effect of digoxin. Choice D, 'Urinary retention can be a side effect of digoxin,' is also incorrect as urinary retention is not a common side effect associated with digoxin use.
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