PHARMACY TECH CALCULATIONS TEST
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 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
