MACE Dosage Calculation and Measurement 2 — Questions and Answers
Question 1: A patient is ordered 500 mg of a medication. The available tablets are 250 mg each. How many tablets should be administered?
- 1 tablet
- 2 tablets (Correct answer)
- 3 tablets
- 4 tablets
Correct answer: 2 tablets
500 mg ÷ 250 mg per tablet = 2 tablets.
Question 2: Which measuring tool is most accurate for measuring liquid medications less than 5 mL?
- A tablespoon
- A teaspoon
- An oral syringe (Correct answer)
- A medicine cup
Correct answer: An oral syringe
Oral syringes provide the most accurate measurement for small liquid volumes.
Question 3: A physician orders 1.5 g of a medication. The medication is available as 500 mg tablets. How many tablets are needed?
- 1 tablet
- 2 tablets
- 3 tablets (Correct answer)
- 4 tablets
Correct answer: 3 tablets
1.5 g = 1500 mg; 1500 mg ÷ 500 mg = 3 tablets.
Question 4: How many milliliters are in one tablespoon?
- 5 mL
- 10 mL
- 15 mL (Correct answer)
- 20 mL
Correct answer: 15 mL
One tablespoon equals 15 mL.
Question 5: A medication order reads: give 0.5 mg. The label states 1 mg/2 mL. How many mL should be given?
- 0.5 mL
- 1 mL (Correct answer)
- 2 mL
- 4 mL
Correct answer: 1 mL
Using D/H × V: (0.5 ÷ 1) × 2 = 1 mL.
Question 6: A resident must take medication every 8 hours. If the first dose is given at 6:00 AM, when is the next dose due?
- 12:00 PM
- 2:00 PM (Correct answer)
- 6:00 PM
- 8:00 PM
Correct answer: 2:00 PM
6:00 AM + 8 hours = 2:00 PM.
Question 7: Which abbreviation indicates a medication should be given twice daily?
- QD
- BID (Correct answer)
- TID
- QID
Correct answer: BID
BID (bis in die) means twice daily.
MACE Dosage Calculation and Measurement 2
A patient is ordered 500 mg of a medication.
The available tablets are 250 mg each.
How many tablets should be administered?