A nurse is preparing to administer phenytoin extended release 300 mg PO daily.
Available is phenytoin 100 mg capsules.
How many capsules should the nurse administer? (Round the answer to the nearest whole number.
Use a leading zero if it applies.
Do not use a trailing zero.). capsule(s).
The Correct Answer is ["3"]
Step 1 is to determine the total amount of medication needed. The doctor ordered 300 mg of phenytoin and each capsule contains 100 mg. So, we divide the total amount ordered by the amount per capsule: 300 mg ÷ 100 mg/capsule = 3 capsules.
So, the correct answer is 3 capsules.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.75"]
Explanation
Step 1 is to convert mcg to mg. This is done by dividing the total amount of medication (750 mcg) by 1000 (since 1 mg = 1000 mcg). So, 750 mcg ÷ 1000 = 0.75 mg.
Correct Answer is ["68"]
Explanation
Step 1 is to convert the client’s weight from pounds to kilograms, as the dosage is prescribed in mg/kg. Given that 1 kg = 2.2 lb, we calculate:
99 lb ÷ 2.2 = 45 kg
Rounding to the nearest whole number, the client’s weight is 45 kg.
Step 2 is to determine the total dosage of acetaminophen required. The prescribed dosage is 15 mg/kg, so we calculate:
15 mg/kg × 45 kg = 675 mg
Step 3 is to determine the volume to administer. The available concentration of acetaminophen is 1,000 mg/100 mL, which simplifies to 10 mg/mL. So, we divide:
675 mg ÷ 10 mg/mL = 67.5 mL
Rounding to the nearest whole number, the correct amount to administer is 68 mL.
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