the client on enoxaparin lovenox is scheduled for surgery what is the nurses priority action
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Nursing Elites

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Cardiovascular System Exam Questions Pdf

1. The client on enoxaparin (Lovenox) is scheduled for surgery. What is the nurse’s priority action?

Correct answer: A

Rationale: The correct answer is A: Hold the enoxaparin and notify the healthcare provider. Enoxaparin, being an anticoagulant, should be held before surgery to reduce the risk of excessive bleeding during the procedure. It is crucial to inform the healthcare provider to determine the appropriate management plan. Choice B is incorrect because administering enoxaparin before surgery can increase the risk of bleeding. Choice C is incorrect as vitamin K administration is not typically indicated in this situation. Choice D is incorrect because monitoring the client's INR and proceeding with surgery without addressing the enoxaparin can lead to significant bleeding complications.

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

Correct answer: A

Rationale: The correct answer is A: Heart failure. Heart failure occurs when the heart is unable to pump blood effectively, resulting in a buildup of fluid in the lungs and other parts of the body. Choice B, Cardiomyopathy, refers to diseases of the heart muscle, not specifically the inability to pump blood effectively. Choice C, Myocardial infarction, is a heart attack caused by a blocked blood supply to the heart muscle, not directly related to the heart's pumping efficiency. Choice D, Pulmonary edema, is a condition characterized by fluid accumulation in the lungs, often a consequence of heart failure but not the primary condition described in the question.

3. What is the condition where the heart's mitral valve does not close properly, allowing blood to leak backward into the left atrium?

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.

4. The client on digoxin has a potassium level of 2.7 mEq/L. What is the nurse’s priority action?

Correct answer: A

Rationale: The correct answer is to hold the digoxin and notify the healthcare provider. A potassium level of 2.7 mEq/L is considered low and can increase the risk of digoxin toxicity. Holding the medication and informing the healthcare provider is crucial to prevent adverse effects. Administering the digoxin as ordered (Choice B) would put the client at a higher risk for toxicity. Increasing the dose of digoxin (Choice C) is not appropriate when the client's potassium level is low. Administering potassium supplements (Choice D) may be necessary but is not the priority action in this situation.

5. What diagnostic procedure uses sound waves to create images of the heart and assess its structure and function?

Correct answer: A

Rationale: An echocardiogram is the correct answer because it is a diagnostic procedure that uses sound waves to create images of the heart, enabling doctors to assess its structure and function. This imaging technique is specifically designed for cardiac assessment. MRI (Choice B), CT scan (Choice C), and X-ray (Choice D) are imaging modalities that are not primarily used for detailed evaluation of the heart's structure and function, making them incorrect choices for this question.

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