Question

a pharmacy technician should use which of the following measurement systems when labeling a prescription for insulin? apothecary system avoirdupois system international unit system metric system

Explanation:

Insulin is measured in international units. The apothecary system is an old - fashioned system mainly used historically in pharmacy for some non - standardized measurements. The avoirdupois system is used for general weighing of non - precious items. The metric system is a general system of measurement but insulin specifically uses international units.

Answer:

C. International unit system