MACE Dosage Calculation and Measurement 5

Question 1

A medication label states 10 mg/mL. The order is for 25 mg. How many mL should be given?

Accepted Answer

2.5 mL

Answer

25 mg ÷ 10 mg/mL = 2.5 mL.

Question 2

Which of the following is the correct way to express 'one-half gram' in milligrams?

Accepted Answer

500 mg

Answer

0.5 g × 1000 = 500 mg.

Question 3

A facility uses military time. A medication ordered at '1400' should be given at:

Accepted Answer

2:00 PM

Answer

1400 in military time equals 2:00 PM (1400 − 1200 = 200 = 2:00 PM).

Question 4

A medication error occurs when a medication aide gives 10 mg instead of the ordered 1 mg. This is an example of a:

Accepted Answer

Wrong dose error

Answer

Administering 10 mg when 1 mg was ordered is a wrong dose medication error.

Question 5

A liquid medication concentration is 20 mg per 5 mL. How many mg are in 15 mL?

Accepted Answer

60 mg

Answer

15 mL ÷ 5 mL × 20 mg = 60 mg.

(MACE) Medication Aide Certification Examination Practice Test