PTCB Sterile Compounding & Pharmacy Calculations

Question 1

What type of environment is required for preparing sterile IV admixtures?

Accepted Answer

Laminar airflow workbench (LAFW) or ISO 5 environment

Answer

Standard clean room

Answer

Negative pressure room only

Answer

Standard pharmacy counter with gloves

Question 2

How many milligrams are in 2 grams?

Accepted Answer

2000 mg

Answer

20 mg

Answer

200 mg

Answer

20,000 mg

Question 3

A vial contains 500 mg/10 mL. How many mL are needed to prepare a 250 mg dose?

Accepted Answer

5 mL

Answer

2.5 mL

Answer

7.5 mL

Answer

10 mL

Question 4

What is the beyond-use date (BUD) for a low-risk sterile preparation stored at room temperature according to USP <797>?

Accepted Answer

24 hours

Answer

12 hours

Answer

48 hours

Answer

30 days

Question 5

Which type of hood is used for preparing hazardous sterile preparations (e.g., chemotherapy)?

Accepted Answer

Biological safety cabinet (BSC) Class II

Answer

Horizontal laminar airflow workbench (LAFW)

Answer

Vertical flow clean bench

Answer

Positive pressure isolator

Question 6

A patient needs 1 L of D5W to infuse over 8 hours. What is the infusion rate in mL/hr?

Accepted Answer

125 mL/hr

Answer

100 mL/hr

Answer

150 mL/hr

Answer

200 mL/hr