Pharmacy Tech Calculations Practice Exam: Questions &
Answers
How much of 95% ethanol must be mixed with 20% ethanol to make 1 pint of a 40% ethanol solution? -
ANSWER:126 ml
If a Kg of Hydrocortisone ointment contains 45 gms of active ingredient, what is the percentage strength
of the ointment? - ANSWER:4.5%
The cost of 120 grams of Triamcinolone 0.1% cream is $45.00. What would be the cost of 15 grams? -
ANSWER:$5.63
How many 100 mg tablets will be needed to make 1/2 liter of 1:250 solution? - ANSWER:20 tablets
What is the resultant percentage concentration when 30 gms of codeine phosphate is dissolved in 2
liters of solution? - ANSWER:1.5%
What volume of Betadine Solution would be needed to prepackage 152 pints? - ANSWER:19 gallons
au - ANSWER:both ears
The standard pediatric dose for Cefazolin is 20 mg/kg/day. The order is written for 150 mg TID. The infant
weighs 8 lbs. Is this dose: - ANSWER:too high
Fentanyl has a concentration of 0.05 mg/ml. How many milliliters do you need for a 800-mcg dose? -
ANSWER:16ml
How much diluent do you need to add to a 4 gm vial to get a concentration of 250 mg/ml? Disregard the
space the powder may occupy. - ANSWER:16ml
What quantity of Benadryl 12.5 mg/5 ml will be required for a 50 mg dose? - ANSWER:4 teaspoons
A pharmacy fills an order for 28 Septra tablets containing 0.08 g of Trimethoprim each. How much
Trimethoprim is dispensed? - ANSWER:2240mg
How much medication would be needed for the following order? Deltasone 10 mg, one qid x 3 days, one
tid x 2 days, one bid x 1 day, then stop - ANSWER:20 tablets
The infusion rate of an I.V. is over 12 hours. The total exact volume is 800 ml. What would be the infusion
rate in mls per minute? - ANSWER:1.11 ml
What is the Latin abbreviation for "at bedtime"? - ANSWER:hs
The AWP for a drug is $24.65 with a 17% discount from the wholesaler. What would be the net cost of
this drug? - ANSWER:$20.46
The cost of 500 tablets of Trazodone 50 mg is $81.15. If your pharmacy marks up the cost by 10% and
adds a $3.50 dispensing fee, what would be the retail charge for 90 tablets. - ANSWER:$19.57
How many days will the following prescription last? Prozac 10 mg #120 Sig: 2 po bid - ANSWER:30 days
, If a third party payer specifies a maximum 1-month supply for a specific drug and the directions for use
state "I cap po tid", how many units of the drug may be dispensed? - ANSWER:90 caps
The pharmacy bases its prices on $4.00 plus AWP of the drug. The prescription reads 1 tab qid X 10 days.
The AWP of drug is $49.00 per 100 tabs. What will be the retail price? - ANSWER:$23.60
An IV solution containing 500 mg of aminophylline in 1000 ml of solution will completely infuse in 20
hours. How many mg of aminophylline is being infused per hour? - ANSWER:25mg
A pharmacy technician wishes to add 500 mg of Amino Acids to 500 ml of D5W. The Amino Acid solution
is supplied in a 10% concentration. The volume of the 10% concentration required to supply 500 mg of
the drug is: - ANSWER:5ml
Heparin is available in a vial labeled 10,000U/ml. How many ml are required for a 12,500U dose? -
ANSWER:1.25ml
A pharmacy technician is preparing heparin 25,000 units in 500 ml of NS. What concentration should
appear on the label? - ANSWER:50 units/ml
Which auxiliary label would you use for this particular sig: ii gtts AU qhr prn: - ANSWER:for the ear
Mr. Smith receives and I.V. infusion order for KCl 20 mEq in 1000 ml of NaCl 0.9% to be infused at 125
ml/hr. What amount of KCl will Mr. Smith receive per hour? - ANSWER:2.5 meq/hr
one pint - ANSWER:16 ounces
How much Elixophyllin elixir 80 mg/15 ml is required for a dose of 240 mg? - ANSWER:3 tbsp
To prepare 400 ml of a 40% (w/v) solution of sodium bicarbonate, how many grams of solute are
needed? - ANSWER:160 gram
Determine the flow rate of an IVPB containing 120 ml of gentamicin, if the solution is to be infused over
a 1 hour period and the administration set is calibrated to deliver 10 drops per ml. - ANSWER:20 gtts/min
Digoxin Elixir is available in a concentration of 0.05 mg/ml. What quantity is required for a 0.125 mg
dose? - ANSWER:2.5ml
How many 30 mg KMNO4 (Potassium Permanganate) tablets are needed to make the following Solution:
KMNO4 1:5000 600 ml. - ANSWER:4 tabs
The pharmacy technician is asked to divide 5 liters of Nystatin suspension into an equal number of 10 ml
and 15 ml unit dose dispensing cups. How many 10 ml dispensing cups can be made from this quantity
of suspension? - ANSWER:200
If a medication is available in 100 tablet bottles and the pharmacy typically uses approximately 600
tablets per week, how many bottles should be ordered if it is anticipated that 33% more tablets will be
dispensed in the following week? - ANSWER:8 bottles
You receive an order for Ceclor suspension (125 mg/5 ml) with a dose of 250 mg TID for 10 days. How
many milliliters do you need to dispense? - ANSWER:300ml
Answers
How much of 95% ethanol must be mixed with 20% ethanol to make 1 pint of a 40% ethanol solution? -
ANSWER:126 ml
If a Kg of Hydrocortisone ointment contains 45 gms of active ingredient, what is the percentage strength
of the ointment? - ANSWER:4.5%
The cost of 120 grams of Triamcinolone 0.1% cream is $45.00. What would be the cost of 15 grams? -
ANSWER:$5.63
How many 100 mg tablets will be needed to make 1/2 liter of 1:250 solution? - ANSWER:20 tablets
What is the resultant percentage concentration when 30 gms of codeine phosphate is dissolved in 2
liters of solution? - ANSWER:1.5%
What volume of Betadine Solution would be needed to prepackage 152 pints? - ANSWER:19 gallons
au - ANSWER:both ears
The standard pediatric dose for Cefazolin is 20 mg/kg/day. The order is written for 150 mg TID. The infant
weighs 8 lbs. Is this dose: - ANSWER:too high
Fentanyl has a concentration of 0.05 mg/ml. How many milliliters do you need for a 800-mcg dose? -
ANSWER:16ml
How much diluent do you need to add to a 4 gm vial to get a concentration of 250 mg/ml? Disregard the
space the powder may occupy. - ANSWER:16ml
What quantity of Benadryl 12.5 mg/5 ml will be required for a 50 mg dose? - ANSWER:4 teaspoons
A pharmacy fills an order for 28 Septra tablets containing 0.08 g of Trimethoprim each. How much
Trimethoprim is dispensed? - ANSWER:2240mg
How much medication would be needed for the following order? Deltasone 10 mg, one qid x 3 days, one
tid x 2 days, one bid x 1 day, then stop - ANSWER:20 tablets
The infusion rate of an I.V. is over 12 hours. The total exact volume is 800 ml. What would be the infusion
rate in mls per minute? - ANSWER:1.11 ml
What is the Latin abbreviation for "at bedtime"? - ANSWER:hs
The AWP for a drug is $24.65 with a 17% discount from the wholesaler. What would be the net cost of
this drug? - ANSWER:$20.46
The cost of 500 tablets of Trazodone 50 mg is $81.15. If your pharmacy marks up the cost by 10% and
adds a $3.50 dispensing fee, what would be the retail charge for 90 tablets. - ANSWER:$19.57
How many days will the following prescription last? Prozac 10 mg #120 Sig: 2 po bid - ANSWER:30 days
, If a third party payer specifies a maximum 1-month supply for a specific drug and the directions for use
state "I cap po tid", how many units of the drug may be dispensed? - ANSWER:90 caps
The pharmacy bases its prices on $4.00 plus AWP of the drug. The prescription reads 1 tab qid X 10 days.
The AWP of drug is $49.00 per 100 tabs. What will be the retail price? - ANSWER:$23.60
An IV solution containing 500 mg of aminophylline in 1000 ml of solution will completely infuse in 20
hours. How many mg of aminophylline is being infused per hour? - ANSWER:25mg
A pharmacy technician wishes to add 500 mg of Amino Acids to 500 ml of D5W. The Amino Acid solution
is supplied in a 10% concentration. The volume of the 10% concentration required to supply 500 mg of
the drug is: - ANSWER:5ml
Heparin is available in a vial labeled 10,000U/ml. How many ml are required for a 12,500U dose? -
ANSWER:1.25ml
A pharmacy technician is preparing heparin 25,000 units in 500 ml of NS. What concentration should
appear on the label? - ANSWER:50 units/ml
Which auxiliary label would you use for this particular sig: ii gtts AU qhr prn: - ANSWER:for the ear
Mr. Smith receives and I.V. infusion order for KCl 20 mEq in 1000 ml of NaCl 0.9% to be infused at 125
ml/hr. What amount of KCl will Mr. Smith receive per hour? - ANSWER:2.5 meq/hr
one pint - ANSWER:16 ounces
How much Elixophyllin elixir 80 mg/15 ml is required for a dose of 240 mg? - ANSWER:3 tbsp
To prepare 400 ml of a 40% (w/v) solution of sodium bicarbonate, how many grams of solute are
needed? - ANSWER:160 gram
Determine the flow rate of an IVPB containing 120 ml of gentamicin, if the solution is to be infused over
a 1 hour period and the administration set is calibrated to deliver 10 drops per ml. - ANSWER:20 gtts/min
Digoxin Elixir is available in a concentration of 0.05 mg/ml. What quantity is required for a 0.125 mg
dose? - ANSWER:2.5ml
How many 30 mg KMNO4 (Potassium Permanganate) tablets are needed to make the following Solution:
KMNO4 1:5000 600 ml. - ANSWER:4 tabs
The pharmacy technician is asked to divide 5 liters of Nystatin suspension into an equal number of 10 ml
and 15 ml unit dose dispensing cups. How many 10 ml dispensing cups can be made from this quantity
of suspension? - ANSWER:200
If a medication is available in 100 tablet bottles and the pharmacy typically uses approximately 600
tablets per week, how many bottles should be ordered if it is anticipated that 33% more tablets will be
dispensed in the following week? - ANSWER:8 bottles
You receive an order for Ceclor suspension (125 mg/5 ml) with a dose of 250 mg TID for 10 days. How
many milliliters do you need to dispense? - ANSWER:300ml
