PTCB PTCE Pharmacy Technician Certification (CPhT) Exam Practice Test

Answer : A

Grapefruit juice inhibits CYP3A4 enzymes, increasingbudesonide levels inthe blood, leading tohigher risk of side effects (immune suppression, adrenal insufficiency).

Budesonide is a corticosteroid used for Crohn's disease and asthma.

Why Other Options Are Incorrect:

B . Dairy products?No significant interaction.

C . Leafy greens?Affectswarfarin (not budesonide).

D . Aged cheese?Interacts withMAO inhibitors, not budesonide.

Reference:FDA Drug-Food Interaction Guide, PTCB Medication Safety Guidelines.

Answer : D

5-FU (Fluorouracil) is a chemotherapy drugused forcolon, breast, and skin cancers.

It is apyrimidine analogthatprevents cancer cell DNA replication.

Why Other Options Are Incorrect:

A . Fluocinonide?Topical corticosteroid for skin conditions.

B . Fluoxetine (Prozac)?SSRI antidepressant.

C . Fluocinolone?Topical corticosteroid.

Reference:National Cancer Institute Chemotherapy Guide, PTCB Oncology Medications.

Answer : A

Controlled substances (Schedules I--V) are classified by the DEA based on their potential for abuse, medical use, and dependence risk.

Schedule I (highest risk, no medical use):Heroin, LSD, Ecstasy.

Schedule II (high abuse potential, medical use):Oxycodone, Morphine, Fentanyl.

Schedule III (moderate abuse potential):Codeine combinations, Ketamine.

Schedule IV (low abuse potential):Alprazolam, Zolpidem.

Schedule V (lowest risk):Cough syrups with low doses of codeine.

Why Other Options Are Incorrect:

B . All contain hydrocodone?OnlySchedule II and IIImay contain hydrocodone.

C . FDA-approved indications?Schedule I drugs haveno FDA-approved medical use.

D . Insurance verification?Not all controlled drugs require insurance verification.

Reference:DEA Controlled Substance Act, PTCB Controlled Substances Guide.

Answer : C

Norethindrone is a synthetic progestin hormone found in oral contraceptives.

Hormones and chemotherapy drugs must be disposed of as hazardous pharmaceutical waste per EPA and USP <800> guidelines.

Reference:EPA Hazardous Drug Disposal Regulations, USP <800> Hazardous Drug List.

Answer : C

Famotidine suspension is stable for 21 days when stored in the refrigerator (2C--8C or 36F--46F).

Reference:FDA Famotidine Stability Guidelines, USP Storage Guidelines.

Answer : C

Schedule III & IV drugs can be refilled up to 5 times within 6 months from the date written.

After 6 months or 5 refills, a new prescription is required.

Reference:DEA Controlled Substance Act (21 CFR 1306).

Answer : D

Lyrica (pregabalin) is an anticonvulsant that causes drowsiness, dizziness, and sedation.

It is commonly prescribed for nerve pain, epilepsy, and fibromyalgia.

Reference:FDA Pregabalin Drug Label, PTCE Medication Safety Guide.