Numeracy

Question 1

You need to give 1.2 g of a drug. The stock is 400 mg in 2 mL. How many mL?

Answer 1

(1200 ÷ 400) × 2 = 6 mL

Question 2

Convert 0.06 g to mg

Answer 2

0.06 × 1000 = 60 mg

Question 3

Convert 4500 mcg to mg

Answer 3

4500 ÷ 1000 = 4.5 mg

Question 4

Infuse 750 mL over 6 hours. What is the mL/hr rate?

Answer 4

750 ÷ 6 = 125 mL/hr

Question 5

Infuse 1000 mL over 10 hours using 20 gtt/mL set. Drops per minute?

Answer 5

(1000 × 20) ÷ 600 = 33 gtt/min

Question 6

Give 3 mg from a 1 in 1000 solution

Answer 6

3 ÷ 1 = 3 mL

Question 7

Give 2 mg from a 1 in 10,000 solution

Answer 7

2 ÷ 0.1 = 20 mL

Question 8

Stock: 50 mg in 5 mL. Dose: 25 mg. Volume?

Answer 8

(25 ÷ 50) × 5 = 2.5 mL

Question 9

1% lignocaine contains how much per mL?

Answer 9

10 mg/mL

Question 10

Convert 0.025 g to mcg

Answer 10

0.025 × 1,000,000 = 25,000 mcg

Question 11

Patient weighs 70 kg. Dose is 0.1 mg/kg. Total dose?

Answer 11

70 × 0.1 = 7 mg

Question 12

You have 10 mg/mL drug. How many mL for 35 mg?

Answer 12

35 ÷ 10 = 3.5 mL

Question 13

Give 90 mg from 30 mg/mL

Answer 13

90 ÷ 30 = 3 mL

Question 14

Infuse 250 mL over 2 hours

Answer 14

250 ÷ 2 = 125 mL/hr

Question 15

Infuse 500 mL over 5 hours using 60 gtt/mL

Answer 15

(500 × 60) ÷ 300 = 100 gtt/min