PTCB Calculations
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PTCB Calculations
1. You are filling a prescription that reads: Amoxicillin 125 mg/5 ml, Sig 1 tsp
t.i.d. Dispense 150 mL. How many mL should the patient take each day?
Answer: 15mL
2. You are filling a prescription that reads: EES 200, Sig 1 tsp t.i.d. Dispense150 mL. How
many days should this prescription last?
Answer: 10 days
3. A compound prescription calls for 600 g of white petrolatum. How many 1 lb. jars should
you obtain so there is enough to prepare this prescriptions?
Answer: 2jars
4. Each tablet ofTylenol #3 has 30 mg of codeine.How many grains of codeineare in each
tablet ofTylenol #3?
Answer: 1/2 grain
5. One form of influenza vaccine, the Live Attenuated IntranasalVaccine, mustbe stored at -
15C.What temperature is this in degrees F?
Answer: 5F
6. The lead pharmacy tech must reorder billing forms when 80% of the case has been used. A
full case of billing forms contains 20 packages of forms. How many packages of forms should
be should be remaining when itstime toreorder?
Answer: 4 packages
7. In reconstituting a liquid antibiotics,90 mL of distilled watershould be used.If 1/3 of the
water should be added first to moisten the powder, how much water should be added?
Answer: 30 mL
8. How many capsules of clindamycin hydrochloride should be used to pre- pare 30 mL if
each capsule contains 150 mg of clindamycin hydrochloride? clindamycin hydrochloride
600mg
70% isopropyl alcohol qs ad 60 mL
Answer: 2 capsules
9. A prescription is written for ibuprofen 10% cream. How much ibuprofen isneeded to make
20 g of the cream?
Answer: 2 g
10. You are entering a prescription for an albuterol inhaler that delivers 90 mcgper actuation. If
each container delivers 200 actuations and each dose is two actuations, how many mg are
delivered in each dose?