A nurse is preparing to administer promethazine 12.5 mg IM. Available is promethazine 25 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth.
Use a leading zero if it applies.
Do not use a trailing zero.). mL.
The Correct Answer is ["0.5 mL"]
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 12.5 mg ÷ 25 mg/mL = 0.5 mL.
So, the correct answer is 0.5 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["150 mL\/hr"]
Explanation
Step 1 is to determine the rate of infusion. This is done by dividing the total volume by the total time. So, we have 1200 mL ÷ 8 hr = 150 mL/hr.
So, the correct answer is 150 mL/hr.
Correct Answer is ["10 mL"]
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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