MACE Medication Concepts and Calculations 2 — Questions and Answers
Question 1: A resident is ordered 0.5 g of a medication. The medication is available as 250 mg tablets. How many tablets should be administered?
- 1 tablet
- 2 tablets (Correct answer)
- 3 tablets
- 4 tablets
Correct answer: 2 tablets
0.5 g = 500 mg; 500 mg ÷ 250 mg/tablet = 2 tablets.
Question 2: Which medication classification includes drugs like metformin used to manage blood glucose levels?
- Antihypertensives
- Antidiabetics (Correct answer)
- Anticoagulants
- Antidepressants
Correct answer: Antidiabetics
Metformin is an antidiabetic (biguanide) medication used to lower blood glucose in type 2 diabetes.
Question 3: A physician orders warfarin 5 mg PO daily. The pharmacy dispenses 2.5 mg tablets. How many tablets per dose?
- 0.5 tablet
- 1 tablet
- 2 tablets (Correct answer)
- 2.5 tablets
Correct answer: 2 tablets
5 mg ordered ÷ 2.5 mg per tablet = 2 tablets per dose.
Question 4: Which route of administration provides the fastest onset of drug action?
- Oral (PO)
- Subcutaneous (SC)
- Intramuscular (IM)
- Intravenous (IV) (Correct answer)
Correct answer: Intravenous (IV)
IV administration delivers medication directly into the bloodstream, producing the fastest onset of action.
Question 5: A medication label reads 'take 1 tsp TID.' How many mL should the resident receive per day?
- 5 mL
- 10 mL
- 15 mL (Correct answer)
- 20 mL
Correct answer: 15 mL
1 tsp = 5 mL; TID (three times a day) × 5 mL = 15 mL per day.
Question 6: Which term describes an unexpected, severe adverse drug reaction that is not dose-related?
- Tolerance
- Side effect
- Idiosyncratic reaction (Correct answer)
- Cumulative effect
Correct answer: Idiosyncratic reaction
An idiosyncratic reaction is an unpredictable, unusual response to a drug that is not related to dose.
Question 7: Which abbreviation on a medication order means 'immediately' or 'now'?
- PRN
- QD
- STAT (Correct answer)
- AC
Correct answer: STAT
STAT is a Latin abbreviation for 'statim,' meaning immediately or at once.
MACE Medication Concepts and Calculations 2
A resident is ordered 0.5 g of a medication.
The medication is available as 250 mg tablets.
How many tablets should be administered?