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PTCB Practice Exam *MATH*
How many 250mg capsules are needed to fill the following prescription? Amoxicillin 500mg
TID for 10 days.
A: 20
B: 40
C: 60
D: 80 Ans: C: 60
To make 1L of a 0.225% NaCl solution using SWFI and NS, how many mL of NS will be used?
A: 250mL
B: 333mL
C: 667mL
D: 750mL Ans: A: 250mL
How many grams of hydrocortisone powder should be used to prepare 1lb of a 0.25%
hydrocortisone cream?
A: 1.14 g
B: 1.2 g
C: 113.5 g
D: 120 g Ans: A: 1.14 g
The nurse will use a 60gtt/mL set to run a pediatric patient's D5W at a rate of 25mL/hour. Hat
drip rate will she use?
A: 1,500gtt/min
B: 250gtt/min
C: 25gtt/min
D: 15gtt/min Ans: C: 25gtt/min
A physician orders KCl 40 mEq to be added to1000mL of D5W and administered over 4 hours.
The injection solution on hand is KCl 2mEq/mL. How many mL of KCl should be added?
A: 8mL
B: 16mL
C: 20mL
D: 40mL Ans: C: 20mL
A 14-year-old boy is 5'2" and weighs 110 lbs. He's prescribed to take 5mg/kg/day of Drug A.
What will his dose be?

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A: 1,200mg
B: 1,250mg
C: 150mg
D: 250mg Ans: D: 250mg
What is 2.5 ounces in mL?
A: 75mL
B: 250mL
C: 50mL
D: 750 mL Ans: A: 75mL
An 8-year-old weighs 75 lbs. The adult dose of a drug is 400mg. What is the child's dose?
A: 75mg
B: 100mg
C: 200mg
D: 250mg Ans: C: 200mg
A patient weighs 218 pounds. What is their weight in kg?
A: 479
B: 109
C: 409
D: 99 Ans: A: 99
How much dextrose does 1 L of D10W contain?
A: 10mg
B: 100mg
C: 1g
D: 100g Ans: D: 100g
How many grams of dextrose are in 1 L of D5W?
A: 50mcg
B: 50mg
C: 5g
D: 50g Ans: D: 50g
To prepare a prescription you need to measure out 2.75oz. You have the following graduated
cylinders available. Which would be the best cylinder to use for accuracy?
A: 75mL
B: 100mL
C: 125mL

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D: 150mL Ans: B: 100mL
A physician orders an IV drop of mixture at a rate of 25mL/hour for 20 hours. What volume of
fluid will be needed?
A: 500mg
B: 0.5L
C: 1L
D: 1.5L Ans: B: 0.5L
If a physician writes an order for 400mL of D5W to be infused over a 4-hour time period, and
the IV drop factor is 12gtt/mL, how many drops per minute should be delivered?
A: 2gtt
B: 1.67gtt
C: 12gtt
D: 20gtt Ans: D: 20gtt
A 600mL IV solution is to be given over a 5-hour period. What is the flow rate?
A: 2mL/min
B: 2.5mL/min
C: 3mL/min
D: 3.5mL/min Ans: A: 2mL/min
A patient at your hospital is 44 years old and weighs 198 lbs. She is prescribed Drug J, 2.5mg/kg
q4h. How many mg will be needed for one dose?
A: 225mg
B: 350mg
C: 495mg
D: 500mg Ans: A: 225mg
How much NaCl is contained in 1L of NS?
A: 0.9 grams
B: 0.09 grams
C: 9 grams
D: 90 grams Ans: C: 9 grams
Amoxicillin 200mg/5mL; ii tsp po tid x 10 days. How many mL will you dispense?
A: 150 mL
B: 900 mL
C: 500 mL
D: 300 mL Ans: D: 300 mL

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PTCB Practice Exam *MATH* How many 250mg capsules are needed to fill the following prescription? Amoxicillin 500mg TID for 10 days. A: 20 B: 40 C: 60 D: 80 Ans: C: 60 To make 1L of a 0.225% NaCl solution using SWFI and NS, how many mL of NS will be used? A: 250mL B: 333mL C: 667mL D: 750mL Ans: A: 250mL How many grams of hydrocortisone powder should be used to prepare 1lb of a 0.25% hydrocortisone cream? A: 1.14 g B: 1.2 g C: 113.5 g D: 120 g Ans: A: 1.14 g The nurse will use a 60gtt/mL set to run a pediatric patient's D5W at a rate of 25mL/hour. Hat drip rate will she use? A: 1,500gtt/min B: 250gtt/min C: 25gtt/min D: 15gtt/min Ans: C: 25gtt/min A physician orders KCl 40 mEq to be added to1000mL of D5W and administered over 4 hours. The injection solution on hand is KCl 2mEq/mL. How many mL of KCl should be added? A: 8mL B: 16mL C: 20mL D: 40mL Ans: C: 20mL A 14-year-old boy is 5'2" and weighs 110 lbs. He's prescribed to take 5mg/kg/day of Drug A. What will his dose be? A: 1,200mg B: 1,250mg C: 150mg D: 250mg Ans: D: 250mg What is 2.5 ounces in mL? A: 75mL B: 250mL C: 50mL D: 750 mL Ans: A: 75mL An 8-year-old weighs 75 lbs. The adult dose of a drug is 400mg. What is the child's dose? A: 75mg B: 100mg C: 200mg D: 250mg Ans: C: 200mg A patient weighs 218 pounds. What is their weight in kg? A: 479 B: 109 C: 409 D: 99 Ans: A: 99 How much dextrose does 1 L of D10W contain? A: 10mg B: 100mg C: 1g D: 100g Ans: D: 100g How many grams of dextrose are in 1 L of D5W? A: 50mcg B: 50mg ...
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