A nurse is preparing to administer diphenhydramine 30 mg IM to a client. Available isdiphenhydramine injection 50 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.)
The Correct Answer is ["0.6"]
Step 1: Define the total amount of diphenhydramine needed Total dose = 30 mg
Step 2: Define the concentration of the available diphenhydramine injection Concentration = 50 mg/mL
Step 3: Calculate the volume of diphenhydramine injection needed Volume = Total dose ÷ Concentration Volume = 30 mg ÷ 50 mg/mL Volume = 0.6 mL
The nurse should administer 0.6 mL of diphenhydramine injection per dose
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.1"]
Explanation
Given:
- Total perphenazine to be administered: 200 mg
- The medication is to be divided into four equal doses
- Available perphenazine oral solution: 16 mg/mL
Step 1: Calculate the amount of perphenazine per dose
200 mg ÷ 4 = 50 mg/dose
Step 2: Calculate the volume of the oral solution per dose
(50 mg/dose) ÷ (16 mg/mL) = 3.125 mL/dose
Rounding to the nearest tenth, the nurse should administer 3.1 mL
Correct Answer is ["8.8"]
Explanation
Step 1: The dose to be administered is175 mg of ziprasidone.
Step 2: The available ziprasidone injection has a concentration of20 mg/mL. This means that for every 1 mL of the solution, there are 20 mg of ziprasidone.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 175 mg ÷ 20 mg/mL = 8.75 mL.
Step 4: Round the answer to the nearest tenth. So, 8.75 mL rounds to8.8 mL.
The nurse should administer 8.8 mL of ziprasidone injection
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