ADC Practice Question — Spaulding Classification of RMDs

What should guide the decision on whether to use barriers or sterilisation for equipment management?

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 Michael Torres is setting up his operatory for a series of restorative procedures. He needs to determine which equipment requires barrier protection and establish clear contaminated zone boundaries. His practice manager Lisa wants to ensure consistent surface management across all operatories. The practice has recently purchased new intra-oral cameras and polymerising lights. What should guide the decision on whether to use barriers or sterilisation for equipment management?

A. The cost of barriers versus sterilisation
B. The preference of the dental practitioner
C. The instructions for use must be followed from both regulatory perspective and to ensure items are not damaged
D. The age of the equipment only

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Sources cited

Therapeutic Guidelines v4 Odell's 3rd & 4th Ed IADT 2020 Code of Conduct CMS (Evans) Infection Control + more

Show the answer and cited explanation

Correct answer: C

The ICG states that the instructions for use must be followed in terms of how items are managed, both from a regulatory perspective and to ensure they are not damaged by incorrect processing (ICG p.31)

Source: ICG Section C: Infection prevention and control strategies

Remy's study tip — The differentiator is usually the Spaulding classification level or the step order in a protocol.

Exam preparation FAQ

How should I prepare for Infection Control in the ADC exam?

Build competence across all topics. The exam tests application of guidelines to clinical scenarios, not memorisation.

How do I approach an unfamiliar Spaulding Classification of RMDs vignette?

Extract key clinical data from the stem before reading options. There are usually 3–4 critical variables that determine the correct answer.

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What should guide the decision on whether to use barriers or sterilisation for equipment management?

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