APC Pharmaceutical Calculations 2

Question 1

An IV infusion of 1000 mL must be administered evenly over 8 hours. What is the required flow rate in mL/hour?

Accepted Answer

125 mL/hr

Answer

100 mL/hr

Answer

150 mL/hr

Answer

200 mL/hr

Question 2

A child weighing 20 kg needs 10 mg/kg of ibuprofen. The available suspension contains 100 mg/5 mL. What volume is required per dose?

Accepted Answer

10 mL

Answer

5 mL

Answer

15 mL

Answer

20 mL

Question 3

An IV infusion set delivers 20 drops/mL. The prescribed rate is 150 mL/hour. What is the required drip rate in drops per minute?

Accepted Answer

50 drops/min

Answer

25 drops/min

Answer

75 drops/min

Answer

100 drops/min

Question 4

A dobutamine infusion is prescribed at 2 mcg/kg/min for a 70 kg patient. What is the total infusion rate in mcg/min?

Accepted Answer

140 mcg/min

Answer

70 mcg/min

Answer

210 mcg/min

Answer

280 mcg/min

Question 5

A pharmacist prepares 50 g of a 1% w/w ointment. How many grams of active drug are needed?

Accepted Answer

0.5 g

Answer

1 g

Answer

5 g

Answer

10 g

Question 6

A patient receives 15 mg of a drug three times daily. The maximum recommended daily dose is 60 mg/day. What percentage of the maximum dose is the patient receiving?

Accepted Answer

75%

Answer

50%

Answer

60%

Answer

80%

Question 7

An antibiotic vial contains 500 mg of powder. After reconstitution with water, the final volume is 10 mL. What is the final concentration in mg/mL?

Accepted Answer

50 mg/mL

Answer

100 mg/mL

Answer

25 mg/mL

Answer

200 mg/mL