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

Metronidazole is an antimicrobial agent used in the treatment of infections caused by anaerobic organisms. Its oral preparation commonly leaves an unpleasant metallic taste which is transient.
B, C, D -Metronidazole is not associated with hearing loss, olfactory changes or alterations in touch

A. Activated partial thromboplastin time (APTT) B. Bleeding time C. Prothrombin time (PT) D. Hemoglobin (Hgb)

Correct Answer is C

Explanation

warfarin inhibits vitamin K epoxide reductase interfering with the synthesis of vitamin K dependent clotting factors (II, VII, IX, and X). This prolongs the prothrombin time, expressed in the form of INR international normalized ratio. Monitoring of INR helps to ensure that the prescribed dosages are within the therapeutic levels without increasing the risk of bleeding. The target INR range is between 2.5 and 3.5.
A. Used to monitor heparin therapy

B, D- not used for monitoring

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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

A nurse is teaching a client who is taking metronidazole. Which of the following sense alterations should the nurse include as an adverse effect of metronidazole?

Correct Answer is A

Explanation

A nurse is caring for a client who is prescribed warfarin therapy for an artificial heart valve. Which of the following laboratory values should the nurse monitor for a therapeutic effect of warfarin?

Correct Answer is C

Explanation

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