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Comprehensive and Detailed Step-by-Step Explanation:

Stock rotation (First In, First Out - FIFO)ensures thatolder medications are used before newer stock, reducing expired medication dispensing.

????Explanation of Answer Choices:✅C. Rotating stock on a regular basis→Correct.FIFO method reduces waste and errors.❌A. Verifying each lot number→ Incorrect.Lot numbers do not indicate expiration dates.❌B. Using the newest medications first→ Incorrect.Older stock should be used first.❌D. Using the last in, first out method→ Incorrect.Opposite of the correct practice.

????Reference:

USP <1079>: Medication Storage and Inventory Control

PTCB Exam: Inventory Management

Diflucan (Fluconazole) is an antifungal medicationused to treatsystemic and local fungal infections, including:

Candidiasis (oral thrush, vaginal yeast infections)

Cryptococcal meningitis

Fungal infections in immunocompromised patients (HIV/AIDS, chemotherapy patients, etc.)

Fluconazole works byinhibiting fungal ergosterol synthesis, which is essential for fungal cell membrane integrity.

A. Bacterial infections❌→Incorrect

Fluconazole does NOT treat bacterial infections; antibiotics are required instead.

B. Gastroesophageal reflux disease (GERD)❌→Incorrect

Proton pump inhibitors (PPIs) or H2 blockers(e.g., omeprazole, ranitidine) are used for GERD.

C. Altitude sickness❌→Incorrect

Acetazolamide (Diamox) is used for altitude sickness, not fluconazole.

FDA Fluconazole Drug Label– Confirms antifungal indications.

Centers for Disease Control and Prevention (CDC) Guidelines– Lists fluconazole asa treatment for candidiasis and cryptococcal meningitis.

PTCB PTCE Exam Content Outline– Covers antifungal medications and their indications.

Why Not the Other Options?Key References:

Beyond-use dates (BUDs) apply specifically to compounded medicationsand indicate thetime frame in which the medication remains stable and safe to use.

BUDs are different from expiration dates, which are determined by manufacturers through long-term stability testing.

USP <795> BUD Guidelines for Nonsterile Compounds:

Non-aqueous formulations(e.g., capsules, powders) →6 months

Water-containing oral formulations(e.g., suspensions) →14 days (refrigerated)

Water-containing topical formulations(e.g., creams, lotions) →30 days

Why Other Options Are Incorrect:

B. Manufactured preparation expiration dates?❌Expiration dates apply tocommercially manufactured drugs, NOT compounded ones.

C. Shelf-life of manufactured drugs?❌This is determined by themanufacturer’s expiration date.

D. Time to prepare a compound?❌BUDsdo not refer to preparation time.

????Reference:USP <795> & USP <797> Guidelines, PTCE Compounding Study Materials.

The NDC number (National Drug Code) is the most effective way to ensure the correct drug is selected.

Hydralazine (blood pressure medication) and hydroxyzine (antihistamine) are Look-Alike, Sound-Alike (LASA) drugsthat can cause serious medication errors if mixed up.

????Reference:ISMP LASA Guidelines, FDA NDC Number Verification.

A spacer is a non-prescription medical devicethat enhances the delivery of medication from anMDI (metered dose inhaler).

Since the patient never picked it up and it isnot a controlled or perishable item, the pharmacy canreturn it to dispensing stock for resale.

Why Other Options Are Incorrect:

A. Damaged stock?❌Only if the spacer was opened, broken, or contaminated.

B. The manufacturer?❌Not necessary unless it is defective.

C. The study sponsor?❌Applies only to clinical trial supplies.

????Reference:ISMP Safe Handling of Medical Devices, PTCE Study Guide.

Stock rotation ensures medications with earlier expiration dates are used first by placing them in the front of the shelf, and medications with later expiration dates behind. This practice is part of the FEFO (First Expired, First Out) system.

From Mosby’s Pharmacy Technician: Principles and Practice:

“Stock rotation using the FEFO method ensures medication integrity and minimizes waste due to expiration.”

This differs from:

A – relates to ordering, not shelf arrangement

B – refers to product recall or removal

C – defines inventory turnover, not physical placement

Breaking Down the SIG Code:"Sig: 1 tab PO q.i.d. p.c. & h.s."

Abbreviation

Meaning

1 tab

Take one tablet

PO

By mouth (oral route)

q.i.d.

Four times daily

p.c.

After meals (post cibum)

h.s.

At bedtime (hora somni)

"Take one tablet by mouth four times daily after meals and at bedtime."✅

(A) Take one tablet by mouth five times daily with meals and at bedtime.❌Incorrect – "q.i.d." means four times daily, not five.

(B) Take one tablet by mouth four times daily without meals and at bedtime with a snack.❌Incorrect – "p.c." meansafter meals, not without meals.

(C) Take one tablet by mouth four times daily before meals and at bedtime.❌Incorrect – "p.c." meansafter meals, not before.

(D) Take one tablet by mouth four times daily after meals and at bedtime.✅Correct – Matches the SIG interpretation.

ISMP List of Common SIG Codes and Abbreviations:https://www.ismp.org

PTCB Exam Content Outline – Prescription Interpretation & SIG Code Reading

Putting It Together:Analysis of Answer Choices:References for Pharmacy Technicians:

Comprehensive and Detailed Step-by-Step Explanation:

Hazardous drugs (HDs)must be handled withpersonal protective equipment (PPE), including:

Gloves (chemotherapy-rated)

Gown (disposable, impermeable material)

Eye protection (if splashing risk exists)

Respirator (if airborne exposure is possible)

????Explanation of Answer Choices:✅B. Wearing personal protective equipment→Correct.USP <800> mandatesPPEfor handling hazardous drugs.❌A. In a chemical safety cabinet→ Incorrect.Only sterile hazardous drugs require a biological safety cabinet.❌C. Using disposable gloves washed between each use→ Incorrect.Disposable gloves should be discarded, not washed.❌D. In a positive-pressure clean room→ Incorrect.Hazardous drugs require negative pressure rooms, not positive pressure.

????Reference:

USP <800>: Hazardous Drug Handling

NIOSH Guidelines on PPE for Hazardous Drugs

Prilosec (Omeprazole) is a delayed-release proton pump inhibitor (PPI)used forGERD, ulcers, and acid reflux. It comes incapsulescontainingenteric-coated granules, designed to protect the medication from stomach acid and ensure proper absorption.

Prilosec capsules contain enteric-coated granulesthat are safe to sprinkle on soft foodswithout chewing.

Applesauce is an ideal optionbecause it doesnot interfere with drug absorption or stability.

B. Chew and swallow the capsules❌→ Incorrect

Chewing destroys the enteric coating, leading to premature drug release and degradation by stomach acid.

C. Compound the capsules into a topical preparation❌→ Incorrect

Prilosecis not formulated for topical use. The medication must reach the stomach intact for proper effect.

D. Allow the capsules to dissolve under the tongue❌→ Incorrect

Sublingual administration is ineffectivebecauseomeprazole is not absorbed through the mucous membranesand needs enteric protection.

FDA Omeprazole Medication Guide– States that the contents can be sprinkled on applesauce.

ISMP Safe Medication Use Guidelines– Emphasizes proper administration of delayed-release capsules.

PTCB PTCE Exam Content Outline– Covers modified-release formulations and proper drug administration techniques.

Why Can the Capsules Be Opened?Why Not the Other Options?Key References:

Lipitor is the brand name forAtorvastatin, aHMG-CoA reductase inhibitor (statin)used to lower cholesterol and reduce the risk of cardiovascular disease.

(A) Provastatin❌Incorrect –Misspelled, should bePravastatin(Pravachol).

(B) Fluvastatin❌Incorrect – Fluvastatin (Lescol) is another statin, but not the generic for Lipitor.

(C) Simvastatin❌Incorrect – Simvastatin (Zocor) is a statin but not the generic for Lipitor.

(D) Atorvastatin✅Correct – The generic name for Lipitor.

Analysis of Answer Choices:Statins & Their Brand Names:Generic Name

Brand Name

Atorvastatin

Lipitor✅

Simvastatin

Zocor

Pravastatin

Pravachol

Fluvastatin

Lescol

Rosuvastatin

Crestor

Lovastatin

Mevacor

Lipitor Prescribing Information: https://www.pfizer.com/products/product-detail/lipitor

PTCB Exam Content Outline – Generic & Brand Name Drug Recognition

Pharmacology for Pharmacy Technicians, 3rd Edition – Perspective on Statin Medications

References for Pharmacy Technicians: