the client on furosemide lasix is at risk for which electrolyte imbalance
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Nursing Elites

ATI RN

Cardiovascular System Exam

1. The client on furosemide (Lasix) is at risk for which electrolyte imbalance?

Correct answer: B

Rationale: The correct answer is B: Hypokalemia. Furosemide is a loop diuretic that can lead to potassium loss, resulting in hypokalemia. This electrolyte imbalance is a significant risk associated with diuretic use. Choices A, C, and D are incorrect. Hyperkalemia (choice A) is not typically associated with furosemide use. Hyponatremia (choice C) and hypernatremia (choice D) are related to sodium levels, not potassium levels affected by furosemide.

2. Which medication is used to lower high blood pressure and reduce the risk of heart attacks and strokes?

Correct answer: A

Rationale: The correct answer is an ACE inhibitor. ACE inhibitors are medications specifically designed to lower high blood pressure and reduce the risk of heart attacks, strokes, and other cardiovascular events. Beta-blockers, diuretics, and calcium channel blockers are also used to treat high blood pressure, but ACE inhibitors are particularly effective in reducing the risk of heart attacks and strokes.

3. What is a chronic condition where the heart is unable to pump blood efficiently, leading to fluid buildup in the lungs and other parts of the body?

Correct answer: A

Rationale: Heart failure is the correct answer. It is a chronic condition characterized by the heart's inability to pump blood efficiently, resulting in symptoms like fluid buildup in the lungs and other parts of the body, shortness of breath, fatigue, and fluid retention. Cardiomyopathy (choice B) refers to diseases of the heart muscle, but it is a broader category that includes various conditions affecting the heart muscle. Pericarditis (choice C) is the inflammation of the pericardium, the sac surrounding the heart, and aortic stenosis (choice D) is a condition where the aortic valve narrows, restricting blood flow from the heart.

4. Which test uses sound waves to create images of the heart, allowing doctors to assess its structure and function?

Correct answer: A

Rationale: The correct answer is A: Echocardiogram. An echocardiogram is a test that uses sound waves to create images of the heart, enabling doctors to assess its structure and function. This imaging technique is particularly useful in detecting abnormalities such as valve disease. Choices B, C, and D are incorrect because MRI, CT scans, and X-rays use different imaging technologies that do not rely on sound waves to visualize the heart.

5. The client on furosemide (Lasix) has a potassium level of 3.1 mEq/L. What is the nurse’s priority action?

Correct answer: A

Rationale: The correct answer is to administer a potassium supplement. A potassium level of 3.1 mEq/L indicates hypokalemia, which can lead to serious complications like cardiac dysrhythmias. Therefore, the priority action is to address the low potassium level by administering a potassium supplement. Holding the furosemide (Choice B) may be necessary in the long term to prevent further potassium loss, but the immediate need is to correct the low potassium level. Continuing the current dose of furosemide (Choice C) without addressing the low potassium level can worsen hypokalemia. Administering Digibind (Choice D) is not indicated for low potassium levels; Digibind is used to treat digoxin toxicity.

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