A nurse is preparing to administer megestrol 200 mg PO to a client.
Available is megestrol oral suspension 40 mg/mL. How many mL 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.)
The Correct Answer is ["5"]
Step 1 is to determine the amount of medication needed. This is done by dividing the desired dose by the available dose. So, we have 200 mg ÷ 40 mg/mL = 5 mL.
So, the correct answer is 5 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.9"]
Explanation
Step 1 is to convert the client’s weight from pounds to kilograms since the dosage is prescribed in mcg/kg. Given that 1 kg = 2.2 lb, we calculate:
165 lb ÷ 2.2 = 75 kg
Step 2 is to calculate the volume of naloxone to be administered. The prescribed dosage is 10 mcg/kg, so we first determine the total dose:
10 mcg/kg × 75 kg = 750 mcg
Next, we convert the available concentration of naloxone from mg/mL to mcg/mL:
0.4 mg/mL × 1000 mcg/mg = 400 mcg/mL
Now, we calculate the required volume by dividing the total dose by the concentration:
750 mcg ÷ 400 mcg/mL = 1.875 mL
Rounding to the nearest tenth, the correct amount to administer is 1.9 mL.
Correct Answer is ["10"]
Explanation
Step 1 is to calculate the volume to administer. The volume is 775 mg ÷ (400 mg/5 mL) = 9.6875 mL.
So, the correct answer is 10 mL after rounding to the nearest whole number.
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