ATI RN
Cardiovascular System Exam
1. 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.
2. What test measures the oxygen level in the blood, often used to monitor patients with respiratory or cardiovascular conditions?
- A. Pulse oximetry
- B. Arterial blood gas (ABG)
- C. Echocardiogram
- D. Chest X-ray
Correct answer: A
Rationale: The correct answer is A, Pulse oximetry. Pulse oximetry is a non-invasive test that measures the oxygen saturation level in the blood, commonly used to monitor respiratory and cardiovascular health. Arterial blood gas (ABG) measures the levels of oxygen and carbon dioxide in the blood, providing more detailed information than pulse oximetry. Echocardiogram is an ultrasound test used to visualize the heart's structure and function, while a chest X-ray is used to visualize the structures in the chest, such as the heart, lungs, and bones.
3. What procedure involves inserting a needle into the pleural space to remove excess fluid and help the patient breathe more easily?
- A. Thoracentesis
- B. Bronchoscopy
- C. Spirometry
- D. Arterial blood gas (ABG)
Correct answer: A
Rationale: Thoracentesis is the correct answer. It is a procedure where a needle is inserted into the pleural space to remove excess fluid, aiding in easier breathing. Bronchoscopy (Choice B) is a procedure to visualize the airways and diagnose lung problems, not specifically for fluid drainage. Spirometry (Choice C) is a test to measure lung function, not a procedure for fluid removal. Arterial blood gas (ABG) (Choice D) is a blood test to assess oxygen and carbon dioxide levels in the blood, not a procedure for draining fluid from the pleural space.
4. Which valve prevents backflow of blood into the left ventricle from the aorta?
- A. Aortic valve
- B. Mitral valve
- C. Tricuspid valve
- D. Pulmonary valve
Correct answer: A
Rationale: The correct answer is Aortic valve. The aortic valve is positioned between the left ventricle and the aorta. It prevents blood from flowing back into the left ventricle after it has been pumped into the aorta. The mitral valve (Choice B) is located between the left atrium and the left ventricle, the tricuspid valve (Choice C) is between the right atrium and right ventricle, and the pulmonary valve (Choice D) is situated between the right ventricle and the pulmonary artery. Therefore, they are not responsible for preventing backflow from the aorta into the left ventricle.
5. 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.
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