Medical Math
1. Lb to Kg
a. A cat weighs in at 13lbs. How many kg does the cat weigh?
2(b)
b. A dog weighs 47lbs. How many kg does the dog weigh?
c. A puppy weighs 6kg. How many lbs is that?
2(c)
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2(a)
2. Drug Percentages
a. You are asked to give 3mg, how many ml do you draw up?
3(a)
b. You are asked to give 42mg to a cat. How many ml do you draw up?
c. You are asked to give 15mg. How many ml do you draw up?
3(b)
3. Calculating Drug Dosages
a. Dog weighs 18lbs, you are asked to give 0.2mg/kg. How many ml
do you administer?
3(c)
b. You are treating a 32kg dog that ingested rodenticide and are asked
to give him 1mg/kg SQ. How many ml do you administer?
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c. You are asked to administer 500mg PO to a dog. How many ml do
you administer?
d. A dog weighing approximately 35lbs is having a seizure, you are
asked to give 0.5mg/kg IV. How many ml do you administer?
e. A 13lb cat has ingested acetaminophen and you are asked to give
him 140mg/kg PO as a loading dose. How many ml do you draw up?
3(e)
4. Bolus Using a Fluid Pump
a. 25lb dog, give 20ml/kg over 15 minutes
a. RATE:
b. VTBI:
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3(d)
b. 28kg dog, give 15ml/kg over 30 minutes
a. RATE:
b. VTBI:
c. 12lb cat, give 5ml/kg over 20 minutes
a. RATE:
b. VTBI:
5(a)
5. Fluid Additives
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a. You have a new bag of fluids and are asked to add 20mEq/L. How
many ml do you add?
b. You have 700ml left in the bag of fluids and are asked to add
66mg/L. How many ml do you add?
c. You have 450ml left in the bag and are asked to add 30mEq/L. How
many ml do you add?
5(c)
6. Adding Dextrose
a. You have a new liter of fluids and are asked to make it 5% Dextrose.
How many ml of dextrose do you add?
6(a-c)
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5(b)
b. There are 800ml left in the bag and you are asked to make it 2.5%
Dextrose. How many ml of dextrose do you add?
c. You have 600ml left in a bag that is 2.5% Dextrose, you are asked to
make it 5%. How many ml of dextrose do you add?
BONUS
+
BONUS!
You have a cat on a burette (holds 150ml) and you are asked to make it
5% dextrose and 40mEq/L of KCL. How much of each do you add?
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