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A nurse is caring for a client who is taking triamterene. For which of the following laboratory values should the nurse withhold the medication?

BUN 16 mg/dL

Potassium 5.3 mEq/L

Sodium 142 mEq/L

Albumin 4 g/dL

Answer and Explanation

The Correct Answer is B

Choice A rationale:

A BUN level of 16 mg/dL is within a normal range.

Choice B rationale:

A potassium level of 5.3 mEq/L is higher than the normal range (typically 3.5-5.0 mEq/L). Triamterene is a potassium-sparing diuretic, and if the client's potassium level is already elevated, it should be withheld to prevent hyperkalemia.

Choice C rationale:

A sodium level of 142 mEq/L is within a normal range.

Choice D rationale:

An albumin level of 4 g/dL is within a normal range.

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Correct Answer is D

Explanation

Choice A rationale:

Taking an HMG-CoA reductase inhibitor (statin) is not directly related to digoxin toxicity.

Choice B rationale:

Having a prolapsed mitral valve is not a known risk factor for digoxin toxicity.

Choice C rationale:

Having a history of COPD is not directly associated with digoxin toxicity.

Choice D rationale:

High-ceiling diuretics (loop diuretics) can lead to electrolyte imbalances, such as hypokalemia, which can increase the risk of digoxin toxicity. Potassium plays a role in the effects of digoxin on the heart, and low levels can potentiate toxicity.

A. Calcium gluconate B. Flumazenil C. Protamine sulfate D. Acetylcysteine

Correct Answer is A

Explanation

Choice A rationale:

Calcium gluconate is used to treat hypermagnesemia by antagonizing the effects of excess magnesium and reducing its impact on cardiac function.

Choice B rationale:

Flumazenil is used to reverse the effects of benzodiazepine overdose, not to treat hypermagnesemia.

Choice C rationale:

Protamine sulfate is used to reverse the effects of heparin, not to treat hypermagnesemia.

Choice D rationale:

Acetylcysteine is used to treat acetaminophen overdose, not to treat hypermagnesemia.

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A nurse is caring for a client who is taking triamterene. For which of the following laboratory values should the nurse withhold the medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is taking digoxin to treat heart failure. Which of the following factors predisposes this client to developing digoxin toxicity?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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