Pharmacy Technician Training
Practice for Final - Math
1. 2 drams = ________ml
2. 90 degrees Fahrenheit = _________degrees Celsius
3. You need to prepare 45 ml of baclofen 10 mg/ml. How many tablets of baclofen 10
mg/tablet will you need?
4. You need to prepare 10 ml of nitroglycerin 0.1 mg/ml from a stock vial of
nitroglycerin 5 mg/ml diluted with normal saline. What volume of nitroglycerin 5
mg/ml will you need?
5. Calculate days supply for the following:
a. Penicillin VK 500 mg #28, One q.i.d.
________days
b. Humulin N U-100 10 ml, 35 U SQ daily ___________days
6. Calculate the amount per fill allowable if a third-party plan covers a 34-day supply
and adjust the refills:
a. Digoxin 0.125 mg #100, 1 daily, 3 refills
_________Qty
_________Refills
____________Partial
b. Diltiazem SR 120 mg #100, one b.i.d, 2 refills
_________Qty
_________Refills
____________Partial
7. How much should be charged for 150 ml of metformin 100 mg/ml suspension if the
dispensing fee is $4.25, the cost of ingredients is $38.10, and the compound was
prepared in 20 minutes? (Assume preparer makes $35.00/hr)
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Pharmacy Technician Training
8. Calculate the retail price of the below prescription using the following chart:
AWP
Professional Fee
Less than $20
$4.00
$20.01-$50.00
$5.00
Greater than $50.01 $6.00
-Doxepin 150 mg Caps #30 AWP/100 $66.50
9. If the pharmacy has an agreement with the third-party plan for reimbursement of
87% AWP or 100% U&C (whichever is less) + a $3.50 dispensing fee, what will be
the total amount of the third-party claim for the following prescription?
-Tetracycline 250 mg Caps #28, AWP/1000 $52.43, retail price/28 $6.99
10. Using the AWP/Professional Fee chart in problem 8 above, calculate the gross profit
and the net profit for:
-Norvasc 5 mg, 90 tablets, acquisition cost=$97.92, AWP=$125.66, selling
price=$117.82
11. A patient requires potassium chloride 7 mEq in a 1,000 ml bag of Lactated Ringer’s
solution. The pharmacy has on hand potassium chloride for injection 40 mEq in 20
ml vials. How many ml will be needed in the IV bag?
12. An injection solution is available in a 2.9 mg/5 ml concentration. A patient’s required
dose is 5.22 mg in 500 ml 0.9% sodium chloride solution. How many ml of the
injection solution are needed?
13. A 9 g vial of powdered medication is reconstituted with sterile water for injection to a
concentration of 300 mg/ml. How many ml of SWFI should be added if the powder
volume of the drug is 1.3 ml?
14. A 1.5 g vial of Unasyn contains two drugs: 1 g ampicillin and 0.5 g of sulbactam.
The powder volume of the Unasyn is 0.8 ml. The label instructions indicate that 3.2
ml of SWFI should be used to reconstitute the drug. What is the concentration of
each of the drugs?
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Pharmacy Technician Training
15. A powdered drug is available in 50 mg vials. The label states to add 3.8 ml of water
for injection to get a concentration of 12.5 mg/ml. What is the powder volume of the
drug? If the physician orders 18.75 mg. How many ml are needed for this dose?
16. There are 24 g of sodium chloride crystals in the pharmacy. How many liters of a
1/2% solution can the technician prepare?
17. The technician is asked to prepare a 15% solution. The drug is available as 250 mg
capsules. How many caps will be needed to prepare 40 ml of the solution?
18. Co-trimoxazole oral suspension contains sulfamethoxazole 200 mg and trimethoprim
40 mg per 5 ml. The suspension is available in 200 ml bottles. What are the
percentage strengths of the two drugs?
19. A technician adds 40 mg of potassium permanganate crystals to 500 ml of distilled
water. What is the ratio strength (w/v) of the solution obtained?
20. On hand in the pharmacy is 14 g of a drug in powder form. The technician is asked
to use the 14 g to make a 1:5,000 w/v solution. How many liters will the technician
be able to prepare?
21. How many grams of a drug are needed to prepare 550 g of a 1:250 w/w/ ointment?
22. A solution is available as 0.025% in 10 ml vials. What is the concentration as w/v
ratio? How many mg of the drug are in the 10 ml vial?
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Pharmacy Technician Training
23. Immune globulin is available in a concentration of 6 g/100 ml. The order for a 55pound child is 0.2 g/kg IV. How many ml are needed for this dose?
24. A five-year-old child weighing 45 pounds is to be given an oral dose of Tylenol Elixir.
The literature states that a child of this age and weight should not exceed 71 mg/kg
per day. If this daily maximum is to be divided into six doses, how much is each
dose in mg? Tylenol Elixir contains 120 mg/5 ml. How many ml are needed for
each of the six doses to be given?
25. Insulin is available in a concentration of 100 units/ml. A patient order reads 0.8
units/kg/day in divided doses. The patient weighs 102 pounds. How many ml
should the patient receive each day?
26. Potassium chloride is ordered 0.5 mEq/kg/hr for a patient who weighs 154 lbs. The
potassium chloride label reads 2 mEq/ml. How many ml are needed for a 4-hour
infusion in 1,000 ml D5W?
27. The physician for a patient, BSA 1.9m2 , orders cisplatin 15 mg/m2 continuous
infusion. Cisplatin is available in 50 ml vials with a concentration of 1 mg/ml. How
many ml will be required for this order?
28. A chemo drug is available as 5 mg/ml. A patient with a BSA of 0.99 m 2 is ordered
25 mg/m2. How many ml are needed?
29. If 1 liter of D5W is started on a patient at 1400 hours on Tuesday, at what time and
day will the next liter be required if the rate is 50 cc/hr?
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Pharmacy Technician Training
30. The physician orders 3,000 ml of D5W IV over a 24-hour period. If the IV set is
calibrated to deliver 15 drops per ml, how many drops must be administered per
minute?
31. The physician orders a 500 mg loading dose of a drug to be administered over 20
minutes by IV infusion. A 50 ml IVPB containing the 500 mg is supplied. At what
rate in ml/hr should the IVPB be infused?
32. A drug is to be administered at 40 mcg in 25 minutes. The patient is receiving 0.12
mg in 1,000 ml of D5W. What is the rate of infusion in ml/hr?
33. A physician reduced an IV flow rate to 30 ml/hr. There are 270 ml remaining of the
1,000 ml IV bag. The time is 10:30 am. At what time will the infusion be completed?
34. A technician mixes 80 ml of a 5% solution with 10 ml of water. What is the final
percentage strength of the solution prepared?
35. A TPN is composed of 300 ml of 7.5% Travasol and 250 ml of 10% dextrose. What
is the final percentage strength of the Travasol and the dextrose in the prepared
TPN?
36. 250 ml of a 26.75% solution must be diluted to an 18% solution before
administration. How many ml of water must be added?
37. You have on hand 50 ml of 80% dextrose solution and you need to make as much
35% dextrose solution as possible. How much water will you need to add to the 50
ml of 80% dextrose solution?
A few more will be added. Check back for completed doc after noon on 12/13/13.
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Pharmacy Technician Training
38. On hand in the pharmacy is concentrated NaCl 23.4%. The technician is required to
prepare 50 ml of 14.6% NaCl solution. How many ml of 23.4% and water are
needed?
39. An order calls for 16 fl oz of a 20% solution. On hand are stock solutions of 80%
and 8%. How many ml of each of the stock solutions are needed to fill the order?
40. An order for 60 ml of a 1% topical liquid is to be prepared from a 5% solution and
purified water. How many ml of each are needed?
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