Free PTCB PTCE Practice Exam with Questions & Answers | Set: 3

Methadone is a Schedule II controlled substanceunder theControlled Substances Act (CSA).

Pharmacies must useDEA Form 222orCSOS (Controlled Substance Ordering System)to orderSchedule II drugs.

Why Other Options Are Incorrect:

A. Buspirone?❌NOT a controlled substance(used for anxiety).

B. Nortriptyline?❌NOT a controlled substance(an antidepressant).

D. Sildenafil (Viagra)?❌NOT a controlled substance(used for erectile dysfunction).

????Reference:DEA Controlled Substance Ordering Requirements (21 CFR 1305).

Vaccines come in different strengths for adults and children, and mix-ups can lead to underdosing or overdosing.

Storing pediatric and adult vaccines separately within the refrigerator reduces the risk of errors.

Example:PediatricCOVID-19 vaccines (lower dose) and adult doses look similar but have different concentrations.

Why Other Options Are Incorrect:

A. Repackaging?❌Against CDC and USP <797> guidelines, which require vaccines to remain in their original packaging.

B. Ordering from different manufacturers?❌Not practical; most pharmacies use a single supplier for consistency.

D. Automated dispensing systems?❌Not always available for vaccines.

????Reference:CDC Vaccine Storage & Handling Guidelines, ISMP Vaccine Safety Best Practices.

Meclizine (Bonine, Dramamine Less Drowsy)is anover-the-counter (OTC) antihistamineused to treatmotion sickness and vertigo. It works by blockinghistamine (H1) receptorsin thevestibular system, reducing nausea and dizziness associated with motion sickness.

B. Olanzapine→ Incorrect; olanzapine is anatypical antipsychoticused forschizophrenia and bipolar disorder, not motion sickness.

C. Promethazine→ Incorrect; promethazine is anantihistaminethat treatsnausea and motion sickness, but it isonly available by prescription (Rx).

D. Scopolamine→ Incorrect; scopolamine is aprescription (Rx) medicationintransdermal patch formused formotion sickness prevention.

Other Answer Choices Explained:References:

FDA Drug Monograph for Meclizine (OTC Drug Labeling)

PTCB PTCE Exam Content Outline (OTC Medications & Indications)

Lexicomp Drug Monographs for Meclizine, Promethazine, and Scopolamine

Root-Cause Analysis (RCA)is asystematic processused inhealthcare and pharmacy settingstoidentify the underlying factors that contributed to an error or safety event. RCA helps pharmacy staff determinewhy a problem occurredand implement corrective actions toprevent future occurrences.

Identify the problem or event.

Gather and analyze data.

Determine the root cause(s).

Develop and implement corrective actions.

Monitor for improvement and prevention of recurrence.

A. Determine which medication should be dispensed→ Incorrect; RCA is focused onerror investigation, not routine dispensing decisions.

B. Decipher prescriber handwriting during order entry→ Incorrect; this is not the purpose of RCA, though poor handwriting may be identified as a contributing factor in an error.

C. Increase pharmacy revenue and inventory turnover→ Incorrect; RCA is aboutpatient safety and error prevention, not financial performance.

Steps in Root-Cause Analysis (RCA):Other Answer Choices Explained:References:

ISMP (Institute for Safe Medication Practices) RCA Guidelines

FDA Medication Error Prevention Strategies

PTCB PTCE Exam Content Outline (Quality Assurance & Medication Safety)

Comprehensive and Detailed Step-by-Step Explanation:

The abbreviation "PR" stands for "per rectum", which is a route of administration where the medication is inserted into the rectum for absorption.

????Explanation of Answer Choices:

✅A. Route of administration → Correct. "PR" means rectal administration (e.g., suppositories).

❌B. Frequency of dosing → Incorrect. Frequency abbreviations include BID (twice daily), QD (once daily), etc.

❌C. Medication strength → Incorrect. Strength is indicated by mg, mcg, etc.

❌D. Dosage form → Incorrect. Dosage forms include tablets, capsules, solutions, etc.

????Reference:

ISMP List of Common Prescription Abbreviations

PTCB Exam: Medication Order Interpretation

USP <800> mandates that personal protective equipment (PPE) be worn when handling hazardous drug spillsto protect againstinhalation, skin absorption, or accidental ingestion.

Full PPE includes gloves, gowns, eye protection, and respiratory protection when necessary.

????Reference:USP <800> Hazardous Drug Handling Guidelines.

Pantoprazole (Protonix)is aproton pump inhibitor (PPI)that isonly available by prescriptionfor treatingGERD, Zollinger-Ellison syndrome, and peptic ulcers.

Omeprazole (Prilosec), Lansoprazole (Prevacid), and Esomeprazole (Nexium)are availableOTC and by prescriptionin different strengths.

Prescription PPIsare typically higher strength than OTC versions.

????Reference:FDA Drug Approvals for OTC and Prescription PPIs.

Briviact (brivaracetam) and Vimpat (lacosamide) are both anticonvulsantsused to treat epilepsy.

Therapeutic duplication alertswarn ofmultiple drugs treating the same condition, increasing the risk of side effects.

????Reference:ISMP Medication Safety Guidelines, PTCE Exam Study Guide.

Anear miss(orclose call) is anerror that is identified and corrected before it causes harm to a patient.

Example:A technician picks uphydroxyzine (an antihistamine) instead of hydralazine (a blood pressure medication),but the pharmacist catches the mistake before dispensing.

Why Other Options Are Incorrect:

A. Adverse Drug Event (ADE)?❌Occurs when a patient is actually harmed by medication.

B. Recall?❌Issued by manufacturers or the FDA when a drug is defective or unsafe.

D. Root-Cause Analysis (RCA)?❌A method toanalyze errors AFTER they occurto prevent future mistakes.

????Reference:ISMP Medication Safety Guidelines, PTCE Exam Study Guide on Error Prevention.

Prochlorperazine (Compazine suppository)requiresrefrigeration(store at2°C to 8°C / 36°F to 46°F) to maintain stability.

Other suppositories are stored atroom temperatureunless specified.

????Reference:Manufacturer Storage Guidelines, USP Storage Standards.