PTCB Exam Prep
1. A prescription order for a drug which is supplied in 5mg tablets was filledduring the
graveyard shift, but not approved. The pharmacist on your shift asked you to double check the
quantity dispensed. The order calls for a tapered dosage therapy as follows:
-10mg po qid x5d
-10mg po tid x5d10mg po bid x3d
-5mg po bid x3d
-5mg po qd x2d
How many tablets should be in the bottle?
Answer: 90
2. U-100 insulin is the most commonly prescribed. However, insulin may be ordered in
different strengths (i.e. - U-40).The "U" value indicates the numberof active insulin units in
each mL of liquid.
Answer: 1
3. According to the US Department of Justice, "Schedule IV controlled sub-stances are
defined as drugs with a low potential for abuse and low risk ofdependence." Which of the
following is not in DEA schedule IV?
A. Xanax
B. Ambien
C. Vicodin
D. Valium
Answer: C.Vicodin
4. An order calls for 150g of a custom 2:3:5 topical ointment. How much ofeach ingredient is
needed?
Answer: 30g : 45g : 75g
5. Zolpidem is mainly prescribed forinsomnia.Ifthe prescriber has authorized,how many refills
(max) can be ordered with the following prescription?
"Rx: Zolpidem 10mg #30"
Answer: Five
6. Pharmacokinetics is the action drugs take while they're in a patient's body.In what order
does the body process drugs?
Answer: Absorption -> Distribution -> Metabolism -> Elimination
7. IV medications are to be compounded in a sterile environment. When usinga Laminar Flow
Hood, how farin should such a manipulation be performed?
Answer: 6inches