Hesi rn dosage calculation proctored exam
Calculation
The healthcare provider prescribes trimethobenzamide 100 mg IM every 6 hours for a client with postoperative vomiting. "Each 2 mL single-dose vial contains 200 mg of trimethobenzamide." How many mL should the nurse administer to the client for each dose? (Enter numeric value only.)
mL
Explanation & Rationale
Calculation: Desired dose = 100 mg Available concentration = 200 mg / 2 mL Calculate the volume to administer: Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL) = 100 mg / (200 mg / 2 mL) = 100 mg / 100 mg/mL = 1 mL
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