A hand uses a pencil to mark answers on a multiple-choice test sheet. Text reads, "Mometrix CNA Practice Test. Prepare for your test with realistic questions." Yellow background.

A certified nursing assistant (CNA) works under the supervision of an RN to meet the healthcare needs of patients, such as serving meals, measuring patients’ vital signs, and bathing patients. Nursing assistants need to be certified in these skills and in the knowledge that will be applicable in their day-to-day operations. Click the “Start Test” … Read more