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 ["20"]
Explanation
-Step 1: Define the conversion factor from grams to milligrams. We know that 1 g = 1000 mg.
-Step 2: Multiply 0.02 g by the conversion factor (1000 mg/g). The calculation is 0.02 g × 1000 mg/g = 20 mg.
-Step 3: Round the result to the nearest whole number. The rounded result is 20 mg.
The nurse should administer 20 mg of aripiprazole.
Correct Answer is ["0.5"]
Explanation
The nurse needs to administer 50 mg of amitriptyline and each tablet contains 100 mg.
Step 1 is: Calculate the number of tablets by dividing the required dose by the dose available per tablet.
So, 50 mg (required dose) ÷ 100 mg/tablet (dose per tablet)
Step 2 is: Perform the division.
This gives us 0.5 tablets.
Step 3 is: Round the answer to the nearest tenth as instructed.
So, 0.5 rounded to the nearest tenth is 0.5.
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