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CNA Infection Control Practice Test

10 free questions · Updated 30 October 2026 · answers explained

Infection control is embedded in every other domain. A personal care question can be failed for skipping hand hygiene. This test covers the 20-second wash, gloves, the PPE order, C. difficile, and the isolation sign you will see on a door. It is the cheapest place to gain points, and the most commonly missed.

Question 1 of 10Infection Control
Find out where you stand in 8 minutes.

25 questions across all 11 domains, your score, and the exact topics that would fail you. No email, no signup.

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Questions people also ask

What is the most common infection control mistake?

Skipping hand hygiene before and after contact, and using alcohol gel against C. difficile.

What is the correct PPE order?

Gown, mask, goggles, then gloves. Remove gloves first, mask last.

Are isolation questions on the exam?

Yes, contact, droplet and airborne precautions all appear.