CSPT - Compounded Sterile Preparation Technician Sterile Compounding Calculations Questions and Answers

Question 1

A patient is to receive an IV infusion of 1 L of 0.9% Sodium Chloride over 8 hours. The administration set delivers 15 gtt/mL. What is the correct flow rate in drops per minute (gtt/min)?

Accepted Answer

31 gtt/min

Answer

21 gtt/min

Answer

125 gtt/min

Answer

8 gtt/min

Question 2

A pharmacy technician needs to prepare 500 mL of a 2% (w/v) solution. The pharmacy stocks a 10% (w/v) concentrated solution. How many milliliters of the 10% stock solution are needed?

Accepted Answer

100 mL

Answer

50 mL

Answer

200 mL

Answer

20 mL

Question 3

A prescription requires 40 mEq of potassium chloride (KCl). The pharmacy has a stock vial of KCl with a concentration of 2 mEq/mL. How many milliliters of this solution should the technician draw?

Accepted Answer

20 mL

Answer

10 mL

Answer

80 mL

Answer

40 mL

Question 4

A technician must prepare 1000 mL of D10W (10% Dextrose in Water) using Sterile Water for Injection and D50W (50% Dextrose in Water). How much D50W is required?

Accepted Answer

200 mL

Answer

500 mL

Answer

100 mL

Answer

800 mL

Question 5

An order is written for a patient weighing 165 lbs to receive a drug at a dose of 2 mg/kg. The drug is available in a vial with a concentration of 10 mg/mL. How many mL should be administered?

Accepted Answer

15 mL

Answer

33 mL

Answer

7.5 mL

Answer

16.5 mL

Question 6

How many grams of active ingredient are in 250 mL of a 1:500 (w/v) solution?

Accepted Answer

0.5 g

Answer

5 g

Answer

2 g

Answer

50 g