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 ["5000000"]
Explanation
To convert grams (g) to micrograms (mcg), we need to multiply the number of grams by 1,000,000 (because
there are 1,000,000 mcg in 1 g):
5 g x 1,000,000 mcg/g = 5,000,000 mcg
Correct Answer is ["1.9"]
Explanation
To calculate the number of mL the nurse should administer, you need to divide the dose of isoniazid (187 mg) by the concentration of the isoniazid injection (100 mg/mL). This gives you 187 mg / (100 mg/mL) =
1.87 mL. When rounded to the nearest tenth, this becomes 1.9 mL. So, the nurse should administer 1.9 mL of isoniazid injection.
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