PTCB Test Questions and Answers

1. If a vial of heparin contains 20,000U/ml, how many ml are needed for a12,500U dose?
a) 0.25ml
b) 0.5ml
c) 0.625ml
d) 0.75ml
Answer: 0.625 ml
2. If the dose of Gentamicin is 7 mg/kg/day, and is givenTID, how many mg perdose will be
needed for a person weighing 152 lbs.
a) 161 mg
b) 240 mg
c) 360 mg
d) 480mg
Answer: 161 mg
3. Tagamet Elixer is available 300mg/5ml. Dose is 180 mg tid X 10 days. Howmany ml's
should be dispensed?
a) 90 ml
b) 150 ml
c) 180 ml
d) 250 ml
Answer: 90 ml
4. The doctor prescribes a cough medicine for a patient that need 1 pint. Howmany milliliters
are needed to fill this prescription?
a) 120 ml
b) 240 ml
c) 480 ml
d) 960 ml
Answer: 480 ml
5. Two drugs are to be combined in a 3:1 ratio to produce a needed solution.How much of
each drug is required to make 80 ml of the solution?
a) 60 ml/ 20 ml
b) 20 ml/ 60 ml
c) 50 ml/ 30 ml
d) 30 ml/ 50 ml
Answer: 60 ml/ 20 ml