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Ati Dosage calculation rn mental health proctored exam ( 27 Questions)
Question 1 of 27 :
A nurse is preparing to administer perphenazine 200 mg divided into four equal doses daily to a client who has psychosis. Available is perphenazine oral solution16 mg/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 trailing zeros.)
Correct Answer: 3.1
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
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