this is a condition where the hearts valves do not function properly leading to disrupted blood flow within the heart
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Nursing Elites

ATI RN

Physical Exam Cardiovascular System

1. What is a condition where the heart's valves do not function properly, leading to disrupted blood flow within the heart?

Correct answer: A

Rationale: Valvular heart disease is the correct answer. It occurs when the heart's valves malfunction, leading to disrupted blood flow within the heart. Myocarditis refers to inflammation of the heart muscle, not specifically related to valve function. Endocarditis is an infection of the inner lining of the heart chambers and valves, not necessarily caused by valve malfunction. Aneurysm is the abnormal bulging of a blood vessel, not directly related to heart valve function.

2. The nurse is giving the client digoxin for heart failure and recognizes that the drug has what type of effect on the heart?

Correct answer: B

Rationale: The correct answer is B: Positive inotropic, negative chronotropic effect. Digoxin strengthens the heart muscle, providing a positive inotropic effect, which increases the force of contraction. It also decreases the heart rate, having a negative chronotropic effect. Choice A is incorrect because digoxin has a positive inotropic effect, not a negative inotropic effect. Choice C is incorrect as digoxin does not have a positive chronotropic effect but a negative one. Choice D is incorrect because while digoxin has a positive inotropic effect, it does not have a positive chronotropic effect.

3. What is the procedure where a catheter is used to open a blocked or narrowed coronary artery, often involving the placement of a stent?

Correct answer: A

Rationale: The correct answer is Angioplasty. Angioplasty is a procedure where a catheter is used to open a blocked or narrowed coronary artery, often involving the placement of a stent to keep the artery open and improve blood flow to the heart. Choice B, Valve replacement, is incorrect as it involves replacing a heart valve, not opening a blocked artery. Choice C, Stent placement, is similar to angioplasty but not as specific, as it does not involve the catheter-based procedure. Choice D, Coronary artery bypass graft (CABG), is a different procedure where blocked arteries are bypassed using a blood vessel from another part of the body.

4. Which of the following is a genetic disorder that causes thick, sticky mucus to build up in the lungs and digestive system, leading to severe respiratory and digestive problems?

Correct answer: A

Rationale: The correct answer is A, cystic fibrosis. Cystic fibrosis is a genetic disorder characterized by the buildup of thick, sticky mucus in the lungs and digestive system, resulting in severe respiratory and digestive issues. Choice B, pulmonary fibrosis, involves scarring and thickening of lung tissue, not excessive mucus production. Choice C, pulmonary edema, refers to fluid accumulation in the lungs, not mucus buildup. Choice D, bronchiectasis, is a condition where the airways in the lungs are damaged and widened, leading to chronic cough and sputum production, but it does not specifically involve the thick, sticky mucus characteristic of cystic fibrosis.

5. What is this surgical procedure that restores blood flow to the heart by diverting blood around a blocked artery?

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.

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