A nurse is preparing to administer quinapril 20 mg PO. Quinapril 40 mg tablets are available. How many tablets should the nurse administer? Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.
The Correct Answer is ["0.5 tablets"]
To calculate the number of tablets to be administered, the nurse should divide the prescribed dose (20 mg) by the strength of the available medication (40 mg/tablet): 20 mg / 40 mg/tablet = 0.5 tablets.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2 mL"]
Explanation
To calculate the volume to be administered, the nurse should divide the prescribed dose (200 mg) by the
concentration of the available medication (300 mg/3 mL): 200 mg / (300 mg/3 mL) = 2 mL.
Correct Answer is ["0.9 mL"]
Explanation
First, you need to convert the client's weight from pounds to kilograms. There are approximately 2.2 pounds in 1 kilogram, so 99 lb / 2.2 = 45 kg. The dose of morphine is 0.2 mg/kg, so for a client who weighs 45 kg, the dose would be 0.2 mg/kg * 45 kg = 9 mg. To calculate the number of mL the nurse should administer, you need to divide the dose of morphine (9 mg) by the concentration of the morphine injection (10 mg/mL). This gives you 9 mg / (10 mg/mL) = 0.9 mL. When rounded to the nearest tenth, this remains
0.9 mL. So, the nurse should administer 0.9 mL of morphine injection.
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