A nurse is preparing to administer nifedipine 20 mg PO three times a day. Available is nifedipine 10 mg capsules. How many capsules should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To calculate the number of capsules to be administered, the nurse should divide the prescribed dose (20 mg) by the strength of the available medication (10 mg/capsule): 20 mg / 10 mg/capsule = 2 capsules.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is 1
Explanation
The first step is to convert the client's weight from pounds (lb) to kilograms (kg).
146.7 lb ÷ 2.2 lb/kg = 66.68 kg
Next, the nurse should calculate the total dose of metronidazole the client needs.
7.5 mg/kg x 66.68 kg = 500.1 mg
Since the available tablets are 500 mg each, the nurse should administer:
500.1 mg ÷ 500 mg/tablet = 1 tablet (rounded to the nearest whole number)
Correct Answer is ["0.9 mL"]
Explanation
To find out how many mL of gentamicin the nurse should administer, we need to set up a proportion. If 40 mg of gentamicin is equivalent to 1 mL, then 36 mg of gentamicin is equivalent to x mL.
The proportion can be writen as 40/1 = 36/x. Solving for x, we get x = (36 * 1) / 40 = 0.9 mL.
The answer is rounded to the nearest tenth as instructed.
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