ATI Dosage Calculation and Safe
Medication Administration 3.0 -
Powdered Medications Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
A vial contains powdered cefazolin 1 g. The label says reconstitute with 2.5 mL of sterile water
for a final concentration of 330 mg/mL. How many mL are needed for a 660 mg dose?
✔✔ 2 mL
You are given a vial of vancomycin powder 500 mg. The instructions say to add 10 mL of sterile
water. What is the final concentration?
✔✔ 50 mg/mL
A powdered medication label states: "Add 8 mL diluent to yield 250 mg/mL." How many mg are
in the full vial?
✔✔ 2,000 mg
You need to administer 375 mg of a drug. The reconstituted concentration is 125 mg/mL. How
many mL will you draw up?
1
,✔✔ 3 mL
A powdered vial is labeled "1 g ampicillin, add 4.5 mL sterile water to yield 1 g/5 mL." How
many mL would you administer for a 500 mg dose?
✔✔ 2.5 mL
The medication vial states: "Add 9 mL to yield 100 mg/mL." How many mL would you give for
a 300 mg dose?
✔✔ 3 mL
You are reconstituting a powdered medication. After adding 2 mL of sterile water, the
concentration becomes 100 mg/mL. What is the total volume in the vial if the total drug is 200
mg?
✔✔ 2 mL
A reconstituted antibiotic has a concentration of 400 mg/mL. You need to administer 1,200 mg.
How many mL are required?
✔✔ 3 mL
2
, A vial contains 2 g of powdered drug. The label reads "add 10 mL sterile water to obtain 200
mg/mL." How many mL should be given for 1 g?
✔✔ 5 mL
You are to administer 600 mg of a reconstituted medication. The vial label states 250 mg/mL.
How many mL will you give?
✔✔ 2.4 mL
After reconstitution, a medication contains 500 mg in 4 mL. What is the concentration per mL?
✔✔ 125 mg/mL
A powdered vial reads: "1,000 mg per vial, add 5 mL to yield 200 mg/mL." How many mL do
you give for a 400 mg dose?
✔✔ 2 mL
You reconstitute a vial with 2.5 mL sterile water to get 300 mg/mL. What total dose is in the
vial?
✔✔ 750 mg
3
Medication Administration 3.0 -
Powdered Medications Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
A vial contains powdered cefazolin 1 g. The label says reconstitute with 2.5 mL of sterile water
for a final concentration of 330 mg/mL. How many mL are needed for a 660 mg dose?
✔✔ 2 mL
You are given a vial of vancomycin powder 500 mg. The instructions say to add 10 mL of sterile
water. What is the final concentration?
✔✔ 50 mg/mL
A powdered medication label states: "Add 8 mL diluent to yield 250 mg/mL." How many mg are
in the full vial?
✔✔ 2,000 mg
You need to administer 375 mg of a drug. The reconstituted concentration is 125 mg/mL. How
many mL will you draw up?
1
,✔✔ 3 mL
A powdered vial is labeled "1 g ampicillin, add 4.5 mL sterile water to yield 1 g/5 mL." How
many mL would you administer for a 500 mg dose?
✔✔ 2.5 mL
The medication vial states: "Add 9 mL to yield 100 mg/mL." How many mL would you give for
a 300 mg dose?
✔✔ 3 mL
You are reconstituting a powdered medication. After adding 2 mL of sterile water, the
concentration becomes 100 mg/mL. What is the total volume in the vial if the total drug is 200
mg?
✔✔ 2 mL
A reconstituted antibiotic has a concentration of 400 mg/mL. You need to administer 1,200 mg.
How many mL are required?
✔✔ 3 mL
2
, A vial contains 2 g of powdered drug. The label reads "add 10 mL sterile water to obtain 200
mg/mL." How many mL should be given for 1 g?
✔✔ 5 mL
You are to administer 600 mg of a reconstituted medication. The vial label states 250 mg/mL.
How many mL will you give?
✔✔ 2.4 mL
After reconstitution, a medication contains 500 mg in 4 mL. What is the concentration per mL?
✔✔ 125 mg/mL
A powdered vial reads: "1,000 mg per vial, add 5 mL to yield 200 mg/mL." How many mL do
you give for a 400 mg dose?
✔✔ 2 mL
You reconstitute a vial with 2.5 mL sterile water to get 300 mg/mL. What total dose is in the
vial?
✔✔ 750 mg
3
