PTCB Exam Study
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PTCB Exam Study
- If you have 25% dextrose and 10% dextrose, how many ml of each would you need to make
1000ml of a 20% solution?
Answer: 667ml of 25% and 333ml of 10%
- An IV has been ordered to run at 2.5gtts/min. The IV contains 875mg of Amoxicillin in a
total of 250ml. How many mg of Amoxicillin will be given to the patient per hour if the IV is set to deliver 15gtts/ml?
Answer: 35mg/hr
- What is the term for the process by which substances are taken up and transported to the
bloodstream?
Answer: Absorption
- If a prescription calls for 375mg of penicillin per day for 10 days how much of a
250mg/5ml suspension should be dispensed?
Answer: 75ml
- The expiration date on a bottle of Vicodin is 5/99. When does this drug expire?
Answer: 12:00AM 6/1/99
- What is the sig code for every night at bedtime?
Answer: qhs
- The directions for a medication read, "i - ii gtts as q 4 h x 10 days". What is the meaning of
"as"?
Answer: in left ear
- The doctor prescribes Robitussin AC, one pint. How many mls are needed for one pint?
Answer: 480ml
- A prescription reads "ii gtts au qid." What auxillary label should be affixed to the container?
Answer: for the ear
- Pseudoephidrine is contrandicated with which of the following?
Answer: hig blood pressure
- If the dose for Quaifenesin is 2.5ml, how many doses will a patient receive if given a 12
ounce bottle?
Answer: 144
- What does enteric coated mean?
Answer: special coating to prevent dissolution is stomach 2 / 3
- The dose of Penicillin V for a 7 year old is 35mg/kg/day, divided into doses every 6 hours.
How many mg/day should a 60lb child receive?
Answer: 954mg/day
- How many 1 ounce bottles of Cheratussin can be made from a 3 liter container of
Cheratussin?
Answer: 100
- A phamacy receives a Cardinal Invoice reading "$6,000, net 30." Under those payment
terms the pharmacy will be charged...
Answer: No interest if paid in full within 30 days
- This medication is an NSAID.
Answer: Ibuprofen
- Phenytoin, Carbamazepine and Phenobarbital are all .
Answer: anticonvulsants that may be used to treat generalized seisures.
- Formula for testing DEA #'s authenticity.
Answer: 2(b+d+f) + (a+c+e) = x (i.e AH1327142) **abcdefx
- Isoptin, Cardizem and Vascor are all .
Answer: examples of Calcium Channel Blockers
- If you pay $35 for Verapamil and the selling price is $50, what is the markup for the drug?
Answer: $15.00
- If you pay $35 for Verapamil and the selling price is $50, what is the percentage markup
based on cost?
Answer: 43%
- If you pay $35 for Verapamil and the selling price is $50, what is the percent gross profit?
Answer: 30%
- The initial dose of Rebif is 0.7mg/kg/hr for 12 hours. How many ml of Rebif IV solution
containing 400mg/ml would be needed for an adult male weighing 154lbs during this 12 hour period?
Answer: 147ml
- Some rules pertaining to Nitroglycerin tablets are as follows...
Answer: needs to be stored at room temperature, sublingual tablets need to be dispensed in original glass containers and must be replaced after 6 months of opening.
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