VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
How many milligrams of a drug should be given to a patient who
weighs 22 lb if the dose is 0.2 mg/kg? -
correct answer ✅22 lb÷2.2 lb/kg×0.2 mg/kg=
answer: 2 mg
A 75-lb dog must be dewormed. If the daily dose of the dewormer
is 1 tsp/25 lb of body weight for 3 days, approximately how much
should be given each day? -
correct answer ✅1 tbs = 3 tsp
answer: 1 tbs
A cat on intravenous fluids must receive 30 ml/hr normal saline. If
this cat has a drip set that provides 60 drops/ml, what should the
drip rate be? -
correct answer ✅(30 ml/h)×(60 dr/sec)÷(3600 sec/h)=
answer: 0.5 drop/sec or 1 drop/2 sec
The concentration of furosemide (Lasix) is 5%. How many
milligrams are in 0.5 ml? -
correct answer ✅5%=50 mg/1 ml or 25 mg/0.5 ml
answer: 25
,VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
How many milliliters of a drug with a concentration of 100 mg/ml
should be given to a 75-lb dog at a dose of 1 mg/lb? -
correct answer ✅75 lb×1 mg/lb÷100 mg/ml=
answer: 0.75 ml
A prescription in which 3 ml of lactulose are given orally twice daily
will require how many ounces to last at least 30 days? -
correct answer ✅(3 ml×2 per day)×30 days=180 ml÷30 ml/oz=
answer: 6oz
A commercial dog food is 420 kcal/cup. A dog weighing 60 lb fed at
a rate of 70 kcal/lb/day should be fed how many cups at each meal
if you feed him twice a day? -
correct answer ✅(60 lb)×(70 kcal/lb/day)÷(420 kcal/cup)÷2
feedings/day=
answer: 5 cups
A cockatiel needs 100 mg/kg piperacillin via intramuscular injection.
If the bird weighs 80 g, and the concentration of piperacillin is 100
mg/ml, how many milliliters should be given? -
correct answer ✅80 g÷1000 g/kg×100 mg/kg÷100 mg/ml=
answer: 0.08 ml
,VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
A rabbit needs 300 μg/kg of a 1% ivermectin solution. If the rabbit
weighs 8 lb, how many milliliters of ivermectin should be given? -
correct answer ✅8 lb÷2.2 lb/kg×300 μg/kg÷1000 μg/mg÷10
mg/ml=
answer: 0.1 ml
How many milliliters of a 50% dextrose solution are needed to
make 1000 ml of a 5% dextrose solution? -
correct answer ✅5%=50 mg/ml×1000 ml/L=50,000 mg/L; 50,000
mg/L÷500 mg(50% = 500 mg/ml)=
answer: 100 ml
(100 ml 50% dextrose + 900 ml water = 1000 ml of 5% dextrose)
Six 12-oz puppies need deworming medication. If the dose is 1
ml/lb, how many milliliters do you dispense? -
correct answer ✅12 oz÷16 oz/lb×1 ml/lb×6 puppies=
answer: 4.5 ml
To make a solution with a concentration of 15 mg/ml, how many
milliliters of sterile water should be added to 30 g of powdered
, VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
drug? -
correct answer ✅30 g×1000 mg/g÷15 mg/ml=
answer: 2000 ml
How many tablets would you dispense for a 30-day supply of a drug
with a dose of one and one-half tablets three times daily? -
correct answer ✅1.5 tablets/dose×3 doses/day×30 days=
answer: 135 tablets
One gram of powdered drug diluted with how many milliliters of
sterile water will make a concentration of 20 mg/ml? -
correct answer ✅1 g×1000 mg/g÷20 mg/ml=
answer: 50 ml
You regularly order six 10-ml vials per month of a drug that has a
concentration of 50 mg/ml. Now that same drug is available in only
20-ml vials of 10 mg/ml. How many vials should you order this
month to get the same total amount of drug? -
correct answer ✅6 vials×10 ml×50 mg/ml=3000 mg; 20 ml×10
mg/ml= 200 mg; 3000÷200=
answer: 15 vials
Questions & Answers (Grade A+)
How many milligrams of a drug should be given to a patient who
weighs 22 lb if the dose is 0.2 mg/kg? -
correct answer ✅22 lb÷2.2 lb/kg×0.2 mg/kg=
answer: 2 mg
A 75-lb dog must be dewormed. If the daily dose of the dewormer
is 1 tsp/25 lb of body weight for 3 days, approximately how much
should be given each day? -
correct answer ✅1 tbs = 3 tsp
answer: 1 tbs
A cat on intravenous fluids must receive 30 ml/hr normal saline. If
this cat has a drip set that provides 60 drops/ml, what should the
drip rate be? -
correct answer ✅(30 ml/h)×(60 dr/sec)÷(3600 sec/h)=
answer: 0.5 drop/sec or 1 drop/2 sec
The concentration of furosemide (Lasix) is 5%. How many
milligrams are in 0.5 ml? -
correct answer ✅5%=50 mg/1 ml or 25 mg/0.5 ml
answer: 25
,VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
How many milliliters of a drug with a concentration of 100 mg/ml
should be given to a 75-lb dog at a dose of 1 mg/lb? -
correct answer ✅75 lb×1 mg/lb÷100 mg/ml=
answer: 0.75 ml
A prescription in which 3 ml of lactulose are given orally twice daily
will require how many ounces to last at least 30 days? -
correct answer ✅(3 ml×2 per day)×30 days=180 ml÷30 ml/oz=
answer: 6oz
A commercial dog food is 420 kcal/cup. A dog weighing 60 lb fed at
a rate of 70 kcal/lb/day should be fed how many cups at each meal
if you feed him twice a day? -
correct answer ✅(60 lb)×(70 kcal/lb/day)÷(420 kcal/cup)÷2
feedings/day=
answer: 5 cups
A cockatiel needs 100 mg/kg piperacillin via intramuscular injection.
If the bird weighs 80 g, and the concentration of piperacillin is 100
mg/ml, how many milliliters should be given? -
correct answer ✅80 g÷1000 g/kg×100 mg/kg÷100 mg/ml=
answer: 0.08 ml
,VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
A rabbit needs 300 μg/kg of a 1% ivermectin solution. If the rabbit
weighs 8 lb, how many milliliters of ivermectin should be given? -
correct answer ✅8 lb÷2.2 lb/kg×300 μg/kg÷1000 μg/mg÷10
mg/ml=
answer: 0.1 ml
How many milliliters of a 50% dextrose solution are needed to
make 1000 ml of a 5% dextrose solution? -
correct answer ✅5%=50 mg/ml×1000 ml/L=50,000 mg/L; 50,000
mg/L÷500 mg(50% = 500 mg/ml)=
answer: 100 ml
(100 ml 50% dextrose + 900 ml water = 1000 ml of 5% dextrose)
Six 12-oz puppies need deworming medication. If the dose is 1
ml/lb, how many milliliters do you dispense? -
correct answer ✅12 oz÷16 oz/lb×1 ml/lb×6 puppies=
answer: 4.5 ml
To make a solution with a concentration of 15 mg/ml, how many
milliliters of sterile water should be added to 30 g of powdered
, VTNE: Medical Calculations Exam
Questions & Answers (Grade A+)
drug? -
correct answer ✅30 g×1000 mg/g÷15 mg/ml=
answer: 2000 ml
How many tablets would you dispense for a 30-day supply of a drug
with a dose of one and one-half tablets three times daily? -
correct answer ✅1.5 tablets/dose×3 doses/day×30 days=
answer: 135 tablets
One gram of powdered drug diluted with how many milliliters of
sterile water will make a concentration of 20 mg/ml? -
correct answer ✅1 g×1000 mg/g÷20 mg/ml=
answer: 50 ml
You regularly order six 10-ml vials per month of a drug that has a
concentration of 50 mg/ml. Now that same drug is available in only
20-ml vials of 10 mg/ml. How many vials should you order this
month to get the same total amount of drug? -
correct answer ✅6 vials×10 ml×50 mg/ml=3000 mg; 20 ml×10
mg/ml= 200 mg; 3000÷200=
answer: 15 vials
