this is a condition where the lungs alveoli are permanently enlarged and damaged leading to shortness of breath
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Nursing Elites

ATI RN

Physical Exam Cardiovascular System

1. What is a condition where the lung's alveoli are permanently enlarged and damaged, leading to shortness of breath?

Correct answer: A

Rationale: Emphysema is the correct answer. It is a chronic lung condition characterized by the permanent enlargement and damage of the alveoli, leading to shortness of breath and impaired oxygen exchange. Bronchitis is the inflammation of the bronchial tubes, not specifically related to alveolar damage. Atelectasis is the collapse of lung tissue, not enlargement. Pulmonary fibrosis involves scarring and thickening of lung tissue, different from the alveolar damage seen in emphysema.

2. The nurse is administering a beta blocker to a client with a heart rate of 50 bpm. What is the priority action?

Correct answer: A

Rationale: The correct action is to hold the beta blocker and notify the healthcare provider. A heart rate of 50 bpm is already low, and beta blockers can further decrease the heart rate, potentially causing adverse effects like bradycardia or heart block. Administering the beta blocker as ordered (Choice B) can exacerbate the low heart rate. Decreasing the dose of the beta blocker (Choice C) may not be sufficient to address the potential harm. Monitoring the client’s heart rate and reassessing in 30 minutes (Choice D) may delay necessary interventions if the heart rate drops further. Therefore, the priority is to hold the medication and seek guidance from the healthcare provider.

3. Which heart chamber receives oxygenated blood from the four pulmonary veins and serves as a reservoir during ventricular systole?

Correct answer: B

Rationale: The correct answer is B, Left atrium. The left atrium receives oxygenated blood from the lungs via the four pulmonary veins and acts as a holding chamber before the blood is pumped into the left ventricle. Choice A, Right atrium, is incorrect as it receives deoxygenated blood from the body via the vena cava. Choices C and D, Right ventricle and Left ventricle, are incorrect as they receive blood from the atria, not the pulmonary veins.

4. What is the condition where the heart's mitral valve becomes narrowed, restricting blood flow from the left atrium to the left ventricle?

Correct answer: A

Rationale: Mitral stenosis is the correct answer. It is a condition characterized by the narrowing of the heart's mitral valve, which hinders the flow of blood from the left atrium to the left ventricle. This obstruction can lead to symptoms such as shortness of breath and fatigue. Aortic stenosis (choice B) is the narrowing of the aortic valve, not the mitral valve. Tricuspid regurgitation (choice C) is the backflow of blood through the tricuspid valve, not narrowing. Pulmonary hypertension (choice D) is increased blood pressure in the pulmonary arteries, not narrowing of the mitral valve.

5. The client on spironolactone (Aldactone) should avoid which type of food?

Correct answer: A

Rationale: The correct answer is A: Foods high in potassium. Spironolactone is a potassium-sparing diuretic, meaning it helps the body retain potassium and excrete sodium. Therefore, clients on spironolactone should avoid foods high in potassium to prevent hyperkalemia, which is an elevated level of potassium in the blood. Choices B, C, and D are incorrect because spironolactone specifically affects potassium levels, not sodium, calcium, or chloride.

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