the client on spironolactone aldactone should avoid which type of food
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Cardiovascular System Exam Questions

1. 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.

2. What is the term for the amount of blood ejected by the left ventricle into the aorta per beat, determined by preload, contractility, and afterload?

Correct answer: A

Rationale: The correct answer is A: Stroke volume. Stroke volume refers to the volume of blood ejected by the left ventricle during each heartbeat. This is determined by preload (the degree of stretch of the cardiac muscle fibers at the end of diastole), contractility (the force of myocardial contraction), and afterload (the pressure or resistance that the ventricle must overcome to eject blood). Choice B, Cardiac output, is the volume of blood pumped by the heart per minute and is calculated by multiplying the heart rate by the stroke volume. Choice C, End-diastolic volume, is the volume of blood in the ventricle at the end of diastole before contraction. Choice D, Ejection fraction, is the proportion of blood pumped out of the ventricle with each contraction, calculated by dividing the stroke volume by the end-diastolic volume.

3. Which of the following is a type of heart attack that occurs when the blood supply to part of the heart muscle is severely reduced or stopped?

Correct answer: A

Rationale: The correct answer is A: Myocardial infarction. Myocardial infarction, commonly known as a heart attack, occurs when the blood supply to part of the heart muscle is severely reduced or stopped, leading to tissue damage or death. Angina (choice B) is chest pain or discomfort that occurs when the heart muscle doesn't get enough oxygen-rich blood. Stroke (choice C) is a condition where the blood supply to the brain is interrupted or reduced. Congestive heart failure (choice D) is a chronic condition where the heart muscle doesn't pump blood as well as it should.

4. What type of heart disease is characterized by the heart muscle becoming enlarged and weakened, reducing its ability to pump blood effectively?

Correct answer: A

Rationale: The correct answer is A: Dilated cardiomyopathy. Dilated cardiomyopathy is a type of heart disease where the heart muscle becomes enlarged and weakened, reducing its ability to pump blood effectively, which can lead to heart failure. Hypertrophic cardiomyopathy (B) is characterized by abnormal thickening of the heart muscle, not enlargement. Restrictive cardiomyopathy (C) involves the heart muscle becoming stiff and less flexible, limiting its ability to fill with blood properly. Myocarditis (D) is inflammation of the heart muscle, which can affect the heart's function but is different from dilated cardiomyopathy.

5. What is a condition where the heart muscle becomes thickened without an obvious cause, leading to a reduction in the heart's ability to pump blood?

Correct answer: A

Rationale: Hypertrophic cardiomyopathy is the correct answer. It is a condition characterized by the abnormal thickening of the heart muscle without an obvious cause, which impairs the heart's ability to effectively pump blood. Dilated cardiomyopathy (choice B) involves the enlargement and weakening of the heart chambers, not thickening. Restrictive cardiomyopathy (choice C) refers to the stiffening of the heart muscle, limiting its ability to fill properly. Myocarditis (choice D) is inflammation of the heart muscle usually caused by a viral infection, not thickening.

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