Pharmacy Technician PTCB Pharmacy Calculations

Question 1

A prescription reads 'Amoxicillin 500mg TID × 10 days.' How many capsules should be dispensed?

Accepted Answer

30 capsules

Answer

TID means three times daily; 3 doses/day × 10 days = 30 capsules total.

Question 2

A patient needs 250 mg of a drug. The available liquid is 125 mg/5 mL. How many mL should be given?

Accepted Answer

10 mL

Answer

Using ratio-proportion: 250 mg ÷ 125 mg × 5 mL = 10 mL.

Question 3

A prescription reads '1 tab BID × 14 days.' How many tablets should be dispensed?

Accepted Answer

28 tablets

Answer

BID means twice daily; 2 tablets/day × 14 days = 28 tablets.

Question 4

A prescription calls for 1 oz of a topical cream. How many grams should be dispensed?

Accepted Answer

30 g

Answer

In pharmacy, 1 ounce is equivalent to 30 grams for solid/semi-solid preparations.

Question 5

What does the Roman numeral 'XIV' equal in Arabic numerals?

Accepted Answer

14

Answer

XIV = X (10) + IV (4) = 14; when a smaller value precedes a larger one, it is subtracted.

Pharmacy Practice Test