ATI RN
Cardiovascular System Exam
1. What is the term for a condition where the lung collapses due to air leaking into the space between the lung and the chest wall?
- A. Pneumothorax
- B. Pleural effusion
- C. Atelectasis
- D. Pulmonary fibrosis
Correct answer: A
Rationale: Pneumothorax is the correct answer for this question. Pneumothorax is the collapse of a lung caused by the presence of air in the pleural space between the lung and chest wall. This condition can lead to chest pain, shortness of breath, and may require emergency treatment such as chest tube insertion to remove the air. Pleural effusion is the accumulation of fluid in the pleural space, not air. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. Pulmonary fibrosis is a condition characterized by scarring and thickening of lung tissue, not related to air leaking into the pleural space.
2. What is this surgical procedure that restores blood flow to the heart by diverting blood around a blocked artery?
- A. Coronary artery bypass graft (CABG)
- B. Angioplasty
- C. Stent placement
- D. Valve replacement
Correct answer: A
Rationale: The correct answer is A, Coronary artery bypass graft (CABG), which is a surgical procedure to improve blood flow to the heart by redirecting blood around blocked or narrowed arteries. This procedure is specifically designed to bypass blocked coronary arteries, allowing blood to flow more freely to the heart muscle. Choices B, C, and D are incorrect because angioplasty involves opening up narrowed or blocked blood vessels, stent placement involves inserting a mesh tube to keep arteries open, and valve replacement involves replacing a damaged heart valve - none of which directly address diverting blood flow around a blocked artery.
3. Which condition is caused by a bacterium that primarily affects the lungs but can spread to other parts of the body?
- A. Tuberculosis
- B. Pneumonia
- C. Legionnaires' disease
- D. Histoplasmosis
Correct answer: A
Rationale: The correct answer is A, Tuberculosis. Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis, primarily affecting the lungs but can spread to other organs. Choice B, Pneumonia, is an infection that inflames the air sacs in one or both lungs. Choice C, Legionnaires' disease, is a severe form of pneumonia caused by the Legionella bacteria. Choice D, Histoplasmosis, is a fungal infection caused by inhaling spores of the Histoplasma capsulatum fungus.
4. 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.
5. The nurse is caring for a client on enalapril (Vasotec). What is the most important side effect to monitor?
- A. Cough
- B. Hyperkalemia
- C. Hypotension
- D. Dizziness
Correct answer: A
Rationale: The correct answer is A: Cough. Enalapril is an ACE inhibitor, and cough is a common side effect associated with this class of medication. Monitoring for cough is crucial as it can indicate the development of a potentially serious condition known as angioedema. Hyperkalemia (choice B) is a possible side effect of ACE inhibitors but is not the most important side effect to monitor. Hypotension (choice C) and dizziness (choice D) are also potential side effects of enalapril; however, cough takes precedence due to its association with angioedema, a severe adverse reaction.
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