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 B

Explanation

Spironolactone is a potassium-sparing diuretic used in the management of ascites associated with liver failure. Its mechanism of action includes blocking the actions of aldosterone, a hormone that promotes sodium retention and potassium excretion in the kidneys. This results in increased urinary sodium excretion and hyponatremia and hyperkalemia.
A. Decreased chloride level is not typically associated with spironolactone use.
C. Spironolactone is a potassium-sparing diuretic, so it leads to an increased potassium level (hyperkalemia)
D. Spironolactone is not associated with decreased phosphate levels.

A. Increase intake of fluids while using this medication. B. Wash the affected area with soap and water before applying cream. C. The medication might cause temporary blurred Vision. D. Apply the cream to large areas around the infection.

Correct Answer is B

Explanation

washing the affected area with soap and water before applying the cream remove any debris that may interfere with absorption of the drug allowing for optimal concentration for clearance of the infection.
A. Increasing fluid intake is not specifically related to the use of gentamicin topical cream.
C. Topical gentamicin cream does not have adverse effects associated with systemic formulations hence no reported blurred vision
D. Application is only recommended for affected areas.

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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

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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