Which of the following is the dosage of gentamicin 2 mg/kg for a patient who weighs 154 lbs?
120 mg
140 mg
160 mg
180 mg
140 mg
Rationale: In order to determine the dosage of gentamicin, first convert the patient's weight (154 lbs) into kilograms by dividing 154 by 2.2 = 70 kg.Then multiply the dosage of 2 mg / kg x 70 kg to find 140 mg.
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