ADC Practice Question — Hand Hygiene

According to the ICG, what should happen if there is no gel left on hands after rubbing ABHR for only 10 seconds?

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 James Patel runs a dental practice in Brisbane. He is reviewing his hand hygiene protocols with his dental assistant, Maria Nguyen. They are discussing when hand hygiene must be performed and the proper technique for using alcohol-based hand rub during non-surgical dental procedures. According to the ICG, what should happen if there is no gel left on hands after rubbing ABHR for only 10 seconds?

A. Continue rubbing for the full time without additional product
B. Wash hands with soap and water instead
C. Add additional gel
D. Wait and try again later

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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 specifically states that when applying ABHR, apply enough product for approximately 20-30 seconds of rubbing, and if there is no gel left on the hands after rubbing for only 10 seconds, add additional gel (ICG p.16)

Source: ICG Section B: Standard precautions

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 Hand Hygiene 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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According to the ICG, what should happen if there is no gel left on hands after rubbing ABHR for only 10 seconds?

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