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TL;DR

Study compounding procedures, beyond-use dating, and quality assurance standards. Compounding skills are essential for pharmacy technicians and tested on the PTCB Pharmacy Technician Certification.

By Valenke Exam Prep Team·Last updated 2026-06-03

Free USP <797> Sterile Compounding Practice Questions

PTCB Pharmacy Technician Certification · Patient Safety & Quality Assurance

This module covers USP <797> Sterile Compounding as part of the Patient Safety & Quality Assurance section, testing your understanding of core concepts and their practical application.

ExamPTCB Pharmacy Technician Certification
Pass Rate72%
Duration120 minutes
ModuleUSP <797> Sterile Compounding

Why USP <797> Sterile Compounding matters

USP <797> Sterile Compounding is heavily weighted on the PTCB Pharmacy Technician Certification because lapses in safety protocols directly threaten patient outcomes.

Sample Practice Questions (5)

1. The ante-area in a sterile compounding facility serves as:

  • A transition area (ISO Class 8) where garbing, hand washing, and staging of supplies occur before entering the buffer area
  • The primary compounding area where preparations are made
  • A storage area for expired medications awaiting disposal
  • The pharmacist verification station

2. Under USP <797>, how often must compounding personnel pass an initial media fill test and gloved fingertip sampling?

  • Initially (before compounding) and at least every 6 months thereafter
  • Only once at the time of hire
  • Annually only
  • Every 2 years

3. A HEPA filter used in a laminar airflow workbench must be certified every:

  • 6 months
  • 12 months
  • 3 months
  • 24 months

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4. A biological safety cabinet (BSC) differs from a horizontal LAFW in that a BSC:

  • Uses vertical airflow and provides both product AND personnel protection (required for hazardous drug compounding)
  • Uses horizontal airflow and provides product protection only
  • Does not use HEPA filters
  • Is only used for non-sterile compounding

5. Environmental monitoring in a sterile compounding area includes:

  • Viable air sampling, surface sampling, and non-viable particle counting
  • Temperature monitoring only
  • Visual inspection of surfaces only
  • Humidity measurement only

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Frequently Asked Questions

How many USP <797> Sterile Compounding questions are on the PTCB Pharmacy Technician Certification?
The Patient Safety & Quality Assurance section, which includes USP <797> Sterile Compounding, typically represents a significant portion of the exam. Focus on understanding core concepts rather than memorizing exact question counts, as the exam uses adaptive testing.
What is the best way to study USP <797> Sterile Compounding?
Use active recall and spaced repetition rather than passive reading. Practice with realistic exam questions, review explanations for both correct and incorrect answers, and focus on understanding the reasoning behind each concept.
What are common mistakes on USP <797> Sterile Compounding exam questions?
The most common error is choosing an answer that sounds correct in general but violates a specific safety protocol. Always choose the most conservative safety-first option, and remember that hand hygiene is almost always part of the correct answer.