Dosage Calculations ATIs Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
A provider orders 500 mg of amoxicillin. The available vial is labeled 250 mg/5 mL. How many
mL will you administer?
Workings: (500 mg ÷ 250 mg) x 5 mL = 10 mL
✔✔ 10 mL
You are to give 1.5 g of cefazolin IV. The vial is labeled 500 mg per vial. How many vials will
you need?
Workings: 1.5 g = 1500 mg → 1500 mg ÷ 500 mg = 3 vials
✔✔ 3 vials
A client is prescribed 0.4 mg of digoxin. The medication is available as 0.2 mg/mL. How many
mL will you administer?
Workings: 0.4 ÷ 0.2 = 2 mL
✔✔ 2 mL
1
,You have an order for 75 mg of a medication. Available is 25 mg tablets. How many tablets will
you give?
Workings: 75 ÷ 25 = 3 tablets
✔✔ 3 tablets
A prescription reads: Give 600 mg of a drug. On hand is 300 mg/2 mL. How many mL will you
administer?
Workings: (600 ÷ 300) x 2 = 4 mL
✔✔ 4 mL
Order: 1000 mg acetaminophen. You have 500 mg tablets. How many tablets will you give?
Workings: 1000 ÷ 500 = 2 tablets
✔✔ 2 tablets
You need to give 1.2 g of a medication. The label says 400 mg per tablet. How many tablets do
you give?
Workings: 1.2 g = 1200 mg → 1200 ÷ 400 = 3 tablets
✔✔ 3 tablets
2
,An IV infusion is ordered to run at 125 mL/hr. How many mL will infuse in 6 hours?
Workings: 125 x 6 = 750 mL
✔✔ 750 mL
You are to give 0.5 g of a drug. The bottle reads 250 mg per 5 mL. How many mL do you draw?
Workings: 0.5 g = 500 mg → (500 ÷ 250) x 5 = 10 mL
✔✔ 10 mL
Order: Give 800 mg ibuprofen. Tablets are 200 mg each. How many do you administer?
Workings: 800 ÷ 200 = 4 tablets
✔✔ 4 tablets
You have 1 g of vancomycin ordered. The vial contains 500 mg per vial. How many vials will
you use?
Workings: 1 g = 1000 mg → 1000 ÷ 500 = 2 vials
✔✔ 2 vials
3
, The client is to receive 0.25 mg of a drug. The syringe is prefilled with 0.5 mg/mL. How many
mL will you give?
Workings: 0.25 ÷ 0.5 = 0.5 mL
✔✔ 0.5 mL
You’re to give 300 mg of a medication. The label shows 100 mg/mL. How many mL are
needed?
Workings: 300 ÷ 100 = 3 mL
✔✔ 3 mL
Doctor orders 2 g of a medication. The pharmacy supplies 1000 mg tablets. How many tablets do
you give?
Workings: 2 g = 2000 mg → 2000 ÷ 1000 = 2 tablets
✔✔ 2 tablets
You must administer 0.75 mg of a medication. Available is 0.25 mg/mL. How many mL do you
give?
Workings: 0.75 ÷ 0.25 = 3 mL
✔✔ 3 mL
4
Answers | Latest Version | 2025/2026 |
Correct & Verified
A provider orders 500 mg of amoxicillin. The available vial is labeled 250 mg/5 mL. How many
mL will you administer?
Workings: (500 mg ÷ 250 mg) x 5 mL = 10 mL
✔✔ 10 mL
You are to give 1.5 g of cefazolin IV. The vial is labeled 500 mg per vial. How many vials will
you need?
Workings: 1.5 g = 1500 mg → 1500 mg ÷ 500 mg = 3 vials
✔✔ 3 vials
A client is prescribed 0.4 mg of digoxin. The medication is available as 0.2 mg/mL. How many
mL will you administer?
Workings: 0.4 ÷ 0.2 = 2 mL
✔✔ 2 mL
1
,You have an order for 75 mg of a medication. Available is 25 mg tablets. How many tablets will
you give?
Workings: 75 ÷ 25 = 3 tablets
✔✔ 3 tablets
A prescription reads: Give 600 mg of a drug. On hand is 300 mg/2 mL. How many mL will you
administer?
Workings: (600 ÷ 300) x 2 = 4 mL
✔✔ 4 mL
Order: 1000 mg acetaminophen. You have 500 mg tablets. How many tablets will you give?
Workings: 1000 ÷ 500 = 2 tablets
✔✔ 2 tablets
You need to give 1.2 g of a medication. The label says 400 mg per tablet. How many tablets do
you give?
Workings: 1.2 g = 1200 mg → 1200 ÷ 400 = 3 tablets
✔✔ 3 tablets
2
,An IV infusion is ordered to run at 125 mL/hr. How many mL will infuse in 6 hours?
Workings: 125 x 6 = 750 mL
✔✔ 750 mL
You are to give 0.5 g of a drug. The bottle reads 250 mg per 5 mL. How many mL do you draw?
Workings: 0.5 g = 500 mg → (500 ÷ 250) x 5 = 10 mL
✔✔ 10 mL
Order: Give 800 mg ibuprofen. Tablets are 200 mg each. How many do you administer?
Workings: 800 ÷ 200 = 4 tablets
✔✔ 4 tablets
You have 1 g of vancomycin ordered. The vial contains 500 mg per vial. How many vials will
you use?
Workings: 1 g = 1000 mg → 1000 ÷ 500 = 2 vials
✔✔ 2 vials
3
, The client is to receive 0.25 mg of a drug. The syringe is prefilled with 0.5 mg/mL. How many
mL will you give?
Workings: 0.25 ÷ 0.5 = 0.5 mL
✔✔ 0.5 mL
You’re to give 300 mg of a medication. The label shows 100 mg/mL. How many mL are
needed?
Workings: 300 ÷ 100 = 3 mL
✔✔ 3 mL
Doctor orders 2 g of a medication. The pharmacy supplies 1000 mg tablets. How many tablets do
you give?
Workings: 2 g = 2000 mg → 2000 ÷ 1000 = 2 tablets
✔✔ 2 tablets
You must administer 0.75 mg of a medication. Available is 0.25 mg/mL. How many mL do you
give?
Workings: 0.75 ÷ 0.25 = 3 mL
✔✔ 3 mL
4
