Difficulty: Medium
Average Score: 90%
Simulated
The nurse is preparing to administer diphenhydramine (Benadryl) 50 mg intravenously to a patient with severe allergies. Available is diphenhydramine (Benadryl) 25 mg/1 mL. How many mL will the nurse administer?
Correct answer
2 mL
Rationale
The ordered dose is 50 mg, and the available concentration is 25 mg/mL. 50 mg ├À 25 mg/mL = 2 mL.