A nurse is caring for a 6-year-old patient after surgery. The child has an order for meperidine (Demerol) 1.8 mg/kg IM every 3 to 4 hour as needed for pain. The child weighs 30 kg and the meperidine is available as 50 mg/mL
How many mL will the nurse administer per dose? A) 1 mL
B) 1.8 mL
C) 0.8 mL
D) 1.08 mL
D
Feedback:
To calculate the correct amount to be administered, first multiply 1.8 mg times 30 kg (54 mg). Next determine the volume in mL that 54 mg is equal to (50 mg: 1 mL as 54 mg: × mL). Solve for X (50X is equal to 54 mg; 54 divided by 50 is equal to 1.08 mL).
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