Pharmacy Technician PTCB Pharmacy Calculations 2

Question 1

An IV order calls for 1,000 mL of normal saline 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

75 mL/hr

Question 2

Using a 15 gtt/mL drip set at 125 mL/hr, what is the drip rate in drops per minute?

Accepted Answer

31 gtt/min

Answer

15 gtt/min

Answer

21 gtt/min

Answer

42 gtt/min

Question 3

A solution is labeled 1:500. What is the equivalent percentage strength?

Accepted Answer

0.2%

Answer

0.5%

Answer

5%

Answer

2%

Question 4

A patient weighs 154 lbs. What is their weight in kilograms?

Accepted Answer

70 kg

Answer

77 kg

Answer

68 kg

Answer

80 kg

Question 5

A drug is dosed at 5 mg/kg. For a 70 kg patient, what is the correct dose?

Accepted Answer

350 mg

Answer

700 mg

Answer

14 mg

Answer

500 mg

Question 6

A 2% w/v solution contains how many grams of drug per 100 mL?

Accepted Answer

2 g

Answer

0.2 g

Answer

20 g

Answer

200 mg

Question 7

Using alligation, how many mL of a 70% solution are needed to prepare 100 mL of a 40% solution using a 70% and a 10% solution?

Accepted Answer

50 mL

Answer

60 mL

Answer

30 mL

Answer

40 mL