RN Hesi Med Surg Dosage Calculations | Nurselytic

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RN Hesi Med Surg Dosage Calculations Questions

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Question 1 of 5

An adult client receives a prescription for diphenhydramine 15 mL by mouth every 12 hours PRN for pruritus. The bottle is labeled, diphenhydramine 12.5 mg/5 mL. What is the total daily dose in mg that the client receives? (Enter numerical value only.)

Correct Answer: 75

Rationale:
To find the total daily dose, calculate the mg per dose: 12.5 mg/5 mL means 15 mL contains (12.5 × 15) / 5 = 37.5 mg. The prescription allows two doses daily (every 12 hours PRN), so 37.5 × 2 = 75 mg/day.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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