Job Description. (CNA). Essential Functions CNA. Performs personal care activities that assist the patient with activities of daily living which include (but are not limited to). Personal hygiene (assisting to bathroom or in using bedpan, bathing, care of mouth, skin and hair). Ambulation. Eating. Dressing. Shaving. Performs homemaking activities which include (but are not limited to): vacuuming, dusting, sweeping or mopping floors, doing dishes,...