A nurse is reviewing a client's laboratory results before administering furosemide 40 mg IV bolus. For which of the following values should the nurse withhold the medication and contact the provider?

Sodium 141 mEq/L

Potassium 2.5 mEq/L

WBC count 8,000/mm3

INR 1.0

Answer and Explanation

The Correct Answer is B

Choice A Reason:
Sodium 141 mEq/L is incorrect. This value is within the normal range (usually around 135-145 mEq/L).
Choice B Reason:
Potassium 2.5 mEq/ is correct. Furosemide, a loop diuretic, can lead to potassium loss through increased urine output. If a client already has a low potassium level (hypokalemia), administering furosemide can further decrease potassium levels, potentially causing or worsening hypokalemia. Hypokalemia can lead to various complications, including cardiac arrhythmias.
Choice C Reason:
WBC count 8,000/mm3 is incorrect. This value falls within the normal range for white blood cell count.
Choice D Reason:
INR 1.0: An INR of 1.0 is within the normal range for a person not on anticoagulation therapy.

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Correct Answer is C

Explanation

Choice A Reason:
"I should avoid drinking grapefruit juice." This statement is actually accurate. Grapefruit juice can interfere with the metabolism of certain statin medications, including lovastatin, leading to increased levels of the drug in the body. Advising against grapefruit juice consumption is a recommended precaution when taking lovastatin, so this statement shows the client's understanding of this interaction.
Choice B Reason:
"I am trying to decrease my dietary fat intake." This statement reflects a positive lifestyle change. Lowering dietary fat intake is often recommended for individuals on statin medications to help manage cholesterol levels. This statement demonstrates the client's commitment to making healthy dietary adjustments, which aligns with the treatment plan.
Choice B Reason:
"I was just diagnosed with hepatitis B. "Hepatitis B can affect liver function, and statin medications like lovastatin can potentially impact liver enzymes. Therefore, in someone with a history of hepatitis B, it's crucial to assess liver function before starting a statin and to monitor the liver during treatment. This statement raises concerns about potential liver complications or interactions that require further evaluation before initiating lovastatin.
Choice D Reason:
"I take metformin for my diabetes." Metformin, a medication for diabetes, does not directly interact with lovastatin. While it's relevant to know the client's other medications, this statement doesn't indicate a need for immediate further assessment regarding the use of lovastatin.

A. Hypokalemia B. Hypermagnesemia C. Hypernatremia D. Hypocalcemia

Correct Answer is A

Explanation

Choice A Reason:
Hypokalemia is correct. Hydrochlorothiazide is a thiazide diuretic that promotes the excretion of sodium and water in the kidneys, leading to increased urine production. However, it can also cause the loss of potassium (hypokalemia) as a side effect. Hypokalemia can manifest with symptoms such as muscle weakness, fatigue, irregular heart rhythms, and muscle cramps.
Choice B Reason:
Hypermagnesemia is incorrect. Hydrochlorothiazide typically promotes the loss of magnesium rather than causing elevated magnesium levels.
Choice C Reason:
Hypernatremia is incorrect. Hydrochlorothiazide is more likely to cause a decrease in sodium levels (hyponatremia) rather than an increase (hypernatremia).
Choice D Reason:
Hypocalcemia is incorrect. Hydrochlorothiazide can cause increased excretion of calcium but it's not a common adverse effect compared to the loss of potassium (hypokalemia).

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A nurse is reviewing a client's laboratory results before administering furosemide 40 mg IV bolus. For which of the following values should the nurse withhold the medication and contact the provider?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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