CMT Dosage Calculation and Measurement 2

Question 1

A physician orders amoxicillin 250 mg. The available suspension is 125 mg/5 mL. How many mL should you administer?

Accepted Answer

10 mL

Answer

250 mg ÷ 125 mg × 5 mL = 10 mL.

Question 2

Which measurement system uses grains, drams, and ounces?

Accepted Answer

Apothecary system

Answer

The apothecary system is an older system using grains, drams, and ounces.

Question 3

How many micrograms (mcg) are in 1 milligram (mg)?

Accepted Answer

1,000 mcg

Answer

1 mg = 1,000 mcg in the metric system.

Question 4

A resident needs 0.5 g of a medication. The tablets available are 250 mg each. How many tablets should be given?

Accepted Answer

2 tablets

Answer

0.5 g = 500 mg; 500 mg ÷ 250 mg = 2 tablets.

Question 5

A medication order reads: ibuprofen 400 mg PO q8h. How many milligrams will the resident receive in 24 hours?

Accepted Answer

1,200 mg

Answer

q8h means every 8 hours = 3 doses/day; 400 mg × 3 = 1,200 mg.

(CMT) Certified Medication Technician Practice Test