Definition & Meaning of "certified nursing assistant"

Who is a "certified nursing assistant"?

A certified nursing assistant (CNA) is a healthcare professional who provides basic patient care under the supervision of registered nurses (RNs) and licensed practical nurses (LPNs). CNAs help patients with daily activities such as bathing, dressing, eating, and moving around. They also take vital signs, help with medical procedures, and maintain a clean and safe environment for patients.