A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?

Potassium

Phosphate

Carbon dioxide

Bicarbonate

Answer and Explanation

The Correct Answer is A

Furosemide is a loop diuretic that blocks water reabsorption in the loop of Henle promoting diuresis. It also causes potassium loss in urine leading to hypokalemia. Checking potassium levels before administration of furosemide prevents worsening already existing hypokalemia.

B, C, D- furosemide does not affect the blood levels of phosphate, Carbon dioxide and bicarbonate.

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Correct Answer is A

Explanation

Trough levels should be taken immediately to ensure that the drug levels are at the lowest. Peak levels are taken 30-45mins after the infusion as the drug levels rises rapidly reaching a peak level

B, D- The timings of measurement are closely related to the administration of the drug

C- Peak levels are taken after administration and trough levels after an d not vice versa

A. Blurred vision B. Bleeding C. Insomnia D. Constipation

Correct Answer is B

Explanation

Aspirin has multiple properties which include antiplatelet, anti- inflammatory and analgesic properties. Any client on aspirin should be monitored for bleeding as aspirin interferes with the formation of the primary plug increasing the risk on bleeding. The nurse should monitor for dark stool, hematuria or any other overt bleeding.
A, C, D- Aspirin does not cause blurred vision, insomnia or constipation.

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A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?

Nursing Test Bank

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