Dosage Calculation and Measurement Flashcards
7 cards from real MACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Dosage Calculation and Measurement flashcards as text
A medication label states 10 mg/mL. The order is for 25 mg. How many mL should be given?
Answer: 2.5 mL
25 mg ÷ 10 mg/mL = 2.5 mL.
Which of the following is the correct way to express 'one-half gram' in milligrams?
Answer: 500 mg
0.5 g × 1000 = 500 mg.
A facility uses military time. A medication ordered at '1400' should be given at:
Answer: 2:00 PM
1400 in military time equals 2:00 PM (1400 − 1200 = 200 = 2:00 PM).
A medication error occurs when a medication aide gives 10 mg instead of the ordered 1 mg. This is an example of a:
Answer: Wrong dose error
Administering 10 mg when 1 mg was ordered is a wrong dose medication error.
A liquid medication concentration is 20 mg per 5 mL. How many mg are in 15 mL?
Answer: 60 mg
15 mL ÷ 5 mL × 20 mg = 60 mg.
Which route abbreviation indicates a medication is given by mouth?
Answer: PO
PO (per os) means 'by mouth' or orally.
A resident's medication is ordered in units. Which medication is most commonly measured in units?
Answer: Insulin
Insulin is measured in units rather than milligrams.