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 A
Explanation
The nurse should identify **Kilogram** as a metric unit. The other units listed - Pound, Minim, and Ounce - are not metric units.
Correct Answer is ["2.5"]
Explanation
To determine how many mL of valproic acid syrup the nurse should administer, we need to use a ratio and proportion:
250 mg : 5 mL = 125 mg : x mL Cross-multiplying, we get:
250 mg x x mL = 5 mL x 125 mg Simplifying, we get:
x = (5 mL x 125 mg) / 250 mg x = 2.5 mL
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