Question

a pharmacy technician receives a prescription for insulin 100 units/ml with instructions to inject 30 units daily for 28 days. how many 3-ml vials should the technician plan to dispense?

three
one
two
four

Explanation:

Calculate total units required

Using the Insulin Unit Calculations knowledge point

$$ \text{Total Units} = 30\text{ units/day} \times 28\text{ days} = 840\text{ units} $$

Calculate total volume needed

Using the Pharmacy Calculations knowledge point

$$ \text{Total Volume (mL)} = \frac{840\text{ units}}{100\text{ units/mL}} = 8.4\text{ mL} $$

Determine number of vials to dispense

Using the Pharmacy Calculations knowledge point

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Answer:

• (A) Three (Correct answer)
• (B) One
• (C) Two
• (D) Four