GUIDE 2026 55 COMPREHENSIVE
QUESTIONS AND ANSWERS
◉ What should you do if the units do not match in a dosage calculation?
Answer: Convert the units to ensure they match before calculating.
◉ How many milligrams are in one gram? Answer: 1 g = 1000 mg
◉ How do you convert pounds to kilograms? Answer: 1 kg = 2.2 lb;
divide the weight in pounds by 2.2.
◉ What formula is used to calculate the number of tablets to give?
Answer: # of tablets to give = Desired dose / Dose on hand per tablet.
◉ If the order is 500 mg and the medication on hand is 250 mg/tablet,
how many tablets should be given? Answer: 2 tablets (500 ÷ 250 = 2).
◉ What formula is used for liquid medications? Answer: mL to give =
Desired dose / Concentration (mg/mL).
◉ If the order is 150 mg and the concentration is 50 mg/mL, how many
mL should be given? Answer: 3 mL (150 ÷ 50 = 3).