How many consecutive cycles must be run with biological indicators during validation?
Infection control in the ADC exam tests decision-making around exposure incidents, instrument classification, and decontamination protocols. This exam-level vignette tests your ability to work through clinical details and arrive at the correct management.
Dr Park's practice has purchased a new Type B steam steriliser to replace their aging unit. The steriliser service technician is scheduled to perform initial validation. The practice manager wants to understand the validation process and asks Dr Park about biological indicator requirements. How many consecutive cycles must be run with biological indicators during validation?
- A. One cycle with multiple BIs
- B. Two cycles in triplicate
- C. Three consecutive cycles with test packs in triplicate, plus one unsterilised positive control
- D. Five cycles with one BI each
The only ADC prep platform where every answer is traced to the guideline source.
No invented explanations. No guesswork content. Every question mapped to Therapeutic Guidelines, Odell's, IADT, and more — so you study what the exam actually tests.
Score high, pay less.
Think you already know your stuff? 15 questions. One attempt. Your score sets your discount — up to 50% off any plan, locked for 72 hours.
Try Reviz on WhatsApp.
A cited question every morning — free until the day you sit. No app, no card, no signup. Just open WhatsApp.
Show the answer and cited explanation
Validation requires at least two BIs per small steriliser chamber, placed at the cold spot (typically bottom of chamber). Test packs are prepared in triplicate for three consecutive cycles, plus one unsterilised positive control. All are incubated at 55-56°C for 24-48 hours. (ICG p.57)
Exam preparation FAQ
Every answer, traced to the source.
Remy — the AI tutor inside Reviz — drills you on 7,000+ ADC-style cited questions with spaced repetition, on WhatsApp and the web.
Take the Remy Challenge