CNA is an abbreviation for Certified Nursing Assistant. Also known as a Nurse Aide, the scope of work includes personal and inpatient care of patients, such as bathing, changing bed sheets, turning, measuring body temperature, and testing blood pressure and respiratory pulse. They are not allowed to give medications, injections, or any sterile technical care. Some hospital CNAs also perform secretarial functions, helping to enter lab ORDER on the computer, answering phone calls, sending faxes, etc. The average salary is about $42,000 per year, depending on the service organization, hours and work, communication skills, etc. will increase accordingly.