PTCB Updated PTCE Exam Questions and Answers by ivan

According tofederal law(Controlled Substances Act, CSA) andDrug Enforcement Administration (DEA) regulations, a prescription for aSchedule III or IV controlled substancemay be refilleda maximum of five (5) times within six (6) monthsfrom the date the prescription was written.

Refill Limit:A Schedule IV prescription may be refilled up to five (5) times within six (6) monthsfrom the issue date, if authorized by the prescriber.

Expiration:The prescription expiressix (6) monthsafter the date it was written.

Recordkeeping:The pharmacy must maintain accurate refill records either electronically or manually.

Additional Refills Beyond 5:If the patient needs refills after the 5-refill limit, anew prescriptionmust be issued by the prescriber.

Partial Fills:Partial dispensing is allowed, but the total quantity dispensed cannot exceed the originally prescribed amount.

A. 2 times in 3 months.→ Incorrect. Federal law allows more than 2 refills for Schedule IV drugs.

B. 3 times in 4 months.→ Incorrect. This underestimates the legal refill limit.

C. 4 times in 6 months.→ Incorrect. Schedule IV drugs may be refilledup to 5 times, not just 4, within 6 months.

DEA Pharmacist’s Manual – Controlled Substances Act (21 CFR 1306.22).

PTCB PTCE Exam Content Outline – Federal Pharmacy Law and Controlled Substances.

FDA and DEA Guidelines on Schedule III-V Prescription Refills.

Mosby’s Pharmacy Technician: Principles and Practice – Controlled Substances Regulations.

Key DEA Rules for Schedule III and IV Prescriptions:Why the Other Answer Choices Are Incorrect:Pharmacy Technician References:

Citalopram (Celexa) is an SSRI (Selective Serotonin Reuptake Inhibitor) used for depression and anxiety.

Other drugs listed are for schizophrenia (clozapine, haloperidol) or anxiety (lorazepam).

????Reference:FDA Approved Antidepressants, PTCE Medication Classification Guide.

Comprehensive and Detailed Step-by-Step Explanation:

Glimepiride (Amaryl)is asulfonylureaused tolower blood sugar in type 2diabetesby increasinginsulin secretion from the pancreas.

????Explanation of Answer Choices:✅C. Glimepiride→Correct.Atype 2 diabetes medication(sulfonylurea).❌A. Galantamine→ Incorrect.Used for Alzheimer’s disease.❌B. Gemfibrozil→ Incorrect.Used to lower cholesterol (fibrate).❌D. Granisetron→ Incorrect.Used for nausea and vomiting (antiemetic).

????Reference:

FDA Drug Database: Glimepiride

PTCB Pharmacology Section: Diabetes Medications

Intradermal (ID) injectionsare deliveredinto the dermis (just below the epidermis).

Used forallergy testing, tuberculosis (TB) testing, and some vaccines.

Theneedle angle is 10–15 degrees, and only asmall volume (0.1 mL – 0.5 mL)is injected.

Why Other Options Are Incorrect:

A. Intraperitoneal?❌Injected into theperitoneal cavity, used in animal research.

B. Intravenous (IV)?❌Injected into aveinfor rapid drug action.

C. Intramuscular (IM)?❌Injecteddeep into the muscle(e.g., vaccines, pain medications).

????Reference:CDC Injection Guidelines, PTCE Exam Study Guide.