A nurse is preparing to administer cyanocobalamin 100 mcg IM monthly. Available is cyanocobalamin injection 1,000 mcg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.1"]
We need to calculate the volume of the cyanocobalamin injection that contains 100 mcg of the drug: 100 mcg ÷ 1,000 mcg/mL = 0.1 mL
Therefore, the nurse should administer 0.1 mL of cyanocobalamin injection per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.6"]
Explanation
To calculate the number of mL the nurse should administer per dose, you need to divide the dose of filgrastim in mcg by the concentration of the filgrastim injection in mcg/mL.
480 mcg ÷ 300 mcg/mL = 1.6 mL
So, the nurse should administer 1.6 mL of filgrastim injection per dose.

Correct Answer is ["3.5"]
Explanation
First, we need to convert the child's weight from pounds to kilograms.
Since there are approximately 2.20462 pounds in 1 kilogram, 52 pounds is equivalent to 52/2.20462 =
23.587 kilograms.
The prescribed dose of digoxin is 7.5 mcg/kg/day, so for a child who weighs 23.587 kg, the total daily dose is 7.5 * 23.587 = 176.9 mcg/day.
Since the medication is available as a 50 mcg/mL elixir, the nurse should administer 176.9/50 = 3.538 mL/day.
Since the medication is to be administered once daily, the nurse should administer 3.538 mL per dose. Answer: 3.5

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