ATI RN
Cardiovascular System Practice Exam
1. What is a chronic inflammatory disease that affects the small airways in the lungs, leading to episodes of wheezing, breathlessness, and coughing?
- A. Asthma
- B. COPD
- C. Bronchitis
- D. Lung cancer
Correct answer: A
Rationale: Asthma is the correct answer. It is a chronic inflammatory disease that affects the small airways in the lungs, leading to symptoms like wheezing, breathlessness, and coughing. Asthma is commonly triggered by allergens, exercise, respiratory infections, and other factors. Choice B, COPD (Chronic Obstructive Pulmonary Disease), is characterized by airflow limitation and is often caused by smoking. Choice C, Bronchitis, is an inflammation of the bronchial tubes and can be acute or chronic. Choice D, Lung cancer, is a disease characterized by uncontrolled cell growth in lung tissues and is commonly associated with smoking or environmental factors.
2. What procedure involves inserting a flexible tube with a light and camera into the airways to examine the lungs and collect samples?
- A. Bronchoscopy
- B. Thoracentesis
- C. Lung biopsy
- D. Chest X-ray
Correct answer: A
Rationale: The correct answer is A: Bronchoscopy. Bronchoscopy is a procedure that entails inserting a flexible tube with a light and camera into the airways to examine the lungs and collect tissue or fluid samples. This procedure is commonly performed to diagnose lung conditions such as infections, tumors, or obstructions. Choice B, thoracentesis, involves inserting a needle into the pleural space to remove fluid for diagnostic or therapeutic purposes related to the lungs or pleura, not the airways. Choice C, lung biopsy, typically involves obtaining tissue samples from the lungs for further examination, not directly visualizing the airways. Choice D, chest X-ray, is a diagnostic imaging technique that uses radiation to create images of the chest area, providing a different type of information compared to bronchoscopy.
3. Which condition is characterized by the narrowing or blockage of arteries that supply blood to the heart by plaque?
- A. Coronary artery disease (CAD)
- B. Atherosclerosis
- C. Peripheral artery disease
- D. Congestive heart failure
Correct answer: A
Rationale: The correct answer is A, Coronary artery disease (CAD). CAD specifically refers to the condition where the arteries supplying blood to the heart become narrowed or blocked by plaque buildup. Choice B, Atherosclerosis, is a general term for the hardening and narrowing of arteries due to plaque buildup but does not specifically mention the heart. Choice C, Peripheral artery disease, involves narrowing of arteries that supply blood to areas other than the heart. Choice D, Congestive heart failure, is a condition where the heart is unable to pump blood effectively but is not primarily caused by narrowed or blocked arteries.
4. What is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium?
- A. Mitral regurgitation
- B. Aortic stenosis
- C. Tricuspid regurgitation
- D. Pulmonary hypertension
Correct answer: A
Rationale: Mitral regurgitation is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium. This can result in symptoms like shortness of breath and fatigue. Choices B, C, and D are incorrect because aortic stenosis, tricuspid regurgitation, and pulmonary hypertension involve different heart valves or conditions, not the mitral valve specifically.
5. The client is on amiodarone and reports blurred vision. What is the nurse’s best response?
- A. Reassure the client that this is a common side effect.
- B. Instruct the client to report this symptom to the healthcare provider immediately.
- C. Advise the client to stop taking the medication.
- D. Discontinue the amiodarone immediately.
Correct answer: B
Rationale: Blurred vision is a potential side effect of amiodarone. Instructing the client to report this symptom to the healthcare provider immediately is the most appropriate response. Choice A is incorrect because although blurred vision can be a common side effect of amiodarone, it should not be dismissed without further evaluation. Choice C is incorrect as advising the client to stop taking the medication without consulting the healthcare provider can be dangerous and is not the first course of action. Choice D is too drastic as discontinuing the medication should be done under the guidance of a healthcare provider after proper evaluation.
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