DOSAGE & CALCULATION
PRACTICE TEST 2
QUESTIONS WITH CORRECT
AND VERIFIED ANSWERS
2026.
, Calculations
Instruction: Below are practice questions to help you with the Pediatric Dosages & Calculation
exam. Please work on each question. Because answers are provided at the end, it is a must for you
to show your work. Please use a separate paper, if needed.
There are several formulas used to calculate drug doges: Only one formula is necessary to
calculate any medication. Choose the formula easiest for you to Use. .
A Desired Dose Volume of Desired Dose
x Volume of Drug on (X) ,
Dose on Hand Hand
B. Dose on Hand desired Volume
Desired (X)
Volume on Hand
"
C Desired Dose
Dose on Hand
Practice Questions:
1. Concentration of Lanoxin is 50 mcg/0.5 ml. How many ml would be
administered to give 75 mcg Lanoxin?
2. Final concentration of diluted Penicillin is 300,000 units/10 ml.
The dose is Penicillin 400,000 units IV. How many ml would you give?
3. Lasix comes 10 mg/l ml. The order is for 22 mg. How many ml would you
administer?
4. The Ampicillin final concentration is 250 mg/5 ml. What volume do you give for a
dose of 400 mg IV?