RMA Medical Mathematics and Dosage Calculations 1

Question 1

A physician orders 500 mg of a medication. The available tablets are 250 mg each. How many tablets should be administered?

Accepted Answer

2 tablets

Answer

1 tablet

Answer

3 tablets

Answer

4 tablets

Question 2

Convert 0.5 grams to milligrams.

Accepted Answer

500 mg

Answer

5 mg

Answer

50 mg

Answer

5,000 mg

Question 3

A patient weighs 154 lbs. What is their weight in kilograms? (Use 1 kg = 2.2 lbs)

Accepted Answer

70 kg

Answer

60 kg

Answer

80 kg

Answer

90 kg

Question 4

The order reads: Give 0.25 mg of digoxin. Available strength is 0.125 mg per tablet. How many tablets should be administered?

Accepted Answer

2 tablets

Answer

0.5 tablet

Answer

1 tablet

Answer

4 tablets

Question 5

Which formula is the standard method for calculating medication dosage?

Accepted Answer

(Desired ÷ Have) × Quantity

Answer

Desired dose × Weight ÷ Have

Answer

Have × Quantity ÷ Desired

Answer

Desired × Quantity × Weight

Question 6

How many milliliters (mL) are in 1 tablespoon?

Accepted Answer

15 mL

Answer

5 mL

Answer

10 mL

Answer

30 mL

Question 7

A physician orders 1.5 g of amoxicillin. The medication is available as 500 mg capsules. How many capsules should be given?

Accepted Answer

3 capsules

Answer

1 capsule

Answer

2 capsules

Answer

4 capsules