CMT Dosage Calculation and Measurement 3 — Questions and Answers
Question 1: Which abbreviation tells a medication technician to give a medication four times a day?
- BID
- TID
- QID (Correct answer)
- QD
Correct answer: QID
QID (quater in die) means four times daily.
Question 2: A liquid medication label reads 20 mg/mL. The order is for 60 mg. How many mL will you draw up?
- 1 mL
- 2 mL
- 3 mL (Correct answer)
- 4 mL
Correct answer: 3 mL
60 mg ÷ 20 mg/mL = 3 mL.
Question 3: 1 kilogram (kg) is equal to how many pounds (lb)?
- 1.8 lb
- 2.2 lb (Correct answer)
- 3.0 lb
- 4.4 lb
Correct answer: 2.2 lb
1 kg = 2.2 lb is the standard conversion used in clinical settings.
Question 4: A resident weighs 154 lb. What is this weight in kilograms?
- 60 kg
- 70 kg (Correct answer)
- 75 kg
- 80 kg
Correct answer: 70 kg
154 lb ÷ 2.2 = 70 kg.
Question 5: The order reads: Tylenol 650 mg q4h PRN pain. 'PRN' means the medication should be given:
- Every 4 hours routinely
- As needed (Correct answer)
- Before meals
- At bedtime only
Correct answer: As needed
PRN (pro re nata) means 'as needed,' given only when the specified condition occurs.
Question 6: If 1 teaspoon equals 5 mL, how many mL are in 3 teaspoons?
- 10 mL
- 12 mL
- 15 mL (Correct answer)
- 20 mL
Correct answer: 15 mL
3 tsp × 5 mL/tsp = 15 mL.
Question 7: A scored tablet contains 100 mg. The order is for 50 mg. What is the correct action?
- Give the whole tablet
- Give half a tablet (Correct answer)
- Crush and give a quarter
- Contact the pharmacy for a lower dose
Correct answer: Give half a tablet
A scored tablet is designed to be split; half a scored 100 mg tablet = 50 mg.
CMT Dosage Calculation and Measurement 3
Which abbreviation tells a medication technician to give a medication four times a day?