The nurse reviews the lab test results of a patient who has heart failure (HF). Which test result would be most important for the nurse to report to the healthcare provider (HCP)?

Creatine kinase

Myoglobin

Troponin

Serum B-type natriuretic peptide (BNP)

Answer and Explanation

The Correct Answer is D

Choice A reason: Creatine kinase can be elevated in heart failure but is not as specific as BNP for this condition.

Choice B reason: Myoglobin is a muscle protein that can be released into the bloodstream after muscle injury, including heart muscle, but it is not as specific for heart failure as BNP.

Choice C reason: Troponin is a marker of heart muscle injury and can be elevated in heart failure, but BNP is more directly related to the diagnosis and severity of heart failure.

Choice D reason: Serum B-type natriuretic peptide (BNP) is specifically released by the ventricles in response to excessive stretching of heart muscle cells, making it a key marker for heart failure. Elevated levels of BNP are directly correlated with the severity of heart failure and are important for both diagnosis and management.

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Correct Answer is D

Explanation

Choice A reason: A high potassium level can increase the risk of digoxin toxicity. The normal range for potassium is typically 3.5 to 5.0 mEq/L, so a level of 5.5 mEq/L should be reported.

Choice B reason: A potassium level of 3.8 mEq/L is within the normal range and would not typically increase the risk of digoxin toxicity.

Choice C reason: A potassium level of 4.5 mEq/L is within the normal range and would not typically increase the risk of digoxin toxicity.

Choice D reason: A low potassium level can also increase the risk of digoxin toxicity, but the question asks for the result that does not increase the risk, making 2.9 mEq/L incorrect in this context.

A. Reducing saturated fats. B. Avoiding trans fats. C. Consuming whole grains. D. Limiting sugar-sweetened beverages. E. Drinking whole milk. F. Limiting fruit intake.

Correct Answer is ["A","B","C","D"]

Explanation

Choice A reason: Reducing saturated fats, which are found primarily in red meat and full-fat dairy products, can lower low-density lipoprotein (LDL) cholesterol — the "bad" cholesterol.

Choice B reason: Avoiding trans fats is crucial as they increase LDL cholesterol and decrease high-density lipoprotein (HDL) cholesterol — the "good" cholesterol.

Choice C reason: Consuming whole grains is beneficial for lowering cholesterol because they contain soluble fiber, which can reduce the absorption of cholesterol into the bloodstream⁶.

Choice D reason: Limiting sugar-sweetened beverages can help reduce cholesterol levels, as excessive sugar intake can lead to weight gain, which is a risk factor for high cholesterol.

Choice E reason: Drinking whole milk is not recommended for cholesterol control as it contains high levels of saturated fat, which can raise cholesterol levels.

Choice F reason: Limiting fruit intake is not necessary for cholesterol control; in fact, fruits can be beneficial due to their fiber content⁶.

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The nurse reviews the lab test results of a patient who has heart failure (HF). Which test result would be most important for the nurse to report to the healthcare provider (HCP)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When the nurse is reviewing a patient's daily laboratory test results, which of the following potassium levels should the nurse report to the healthcare provider to reduce the risk of digoxin (Lanoxin) toxicity?

Correct Answer is D

Explanation

The nurse is reinforcing teaching to the patient about controlling cholesterol with diet. Which of the following dietary actions help reduce cholesterol? Select all that apply.

Correct Answer is ["A","B","C","D"]

Explanation

A patient asks the nurse what a diagnosis of heart failure means. Which of the following is the nurse's best response?

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