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Learn what a CNA does, how certification works, and how to prepare for the knowledge exam and skills evaluation.

Certified Nursing Assistant

A Certified Nursing Assistant (CNA) provides hands-on daily care to patients and residents under the supervision of a licensed nurse. This guide explains what CNA training covers, how state certification works, and how to prepare for both the knowledge exam and the skills evaluation.

Whether you are exploring a healthcare career for the first time or getting ready to test, you will find plain-language explanations here, along with free practice tools to check your understanding as you go.

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