Answers patient call signals, signal lights, bells, or intercom systems to determine patients' needs. Turns or repositions bedridden patients. Provides physical support to assist patients to perform daily living activities, such as getting out of bed, eating, drinking, bathing, dressing, using the toilet, standing, walking, or exercising. Reviews patients' dietary restrictions, food allergies, and preferences to ensure patient receives appropriate diet. Measures and records food and liquid intake or output, reporting changes to medical or nursing staff. Records vital signs, such as temperature, blood pressure, pulse, or respiration rate, as directed by medical or nursing staff. Records height or weight of patients. Gathers information from caregivers, nurses, or physicians about patient condition, treatment plans, or appropriate activities. Observes or examines patients to detect symptoms that may require medical attention. Documents or otherwise reports observations of patient behavior, complaints, or physical symptoms to nurses. Reminds patients to take medications or nutritional supplements. Communicates with patients to ascertain feelings or need for assistance or social and emotional support. Prepares or serves food trays. Cleans and sanitizes patient rooms, bathrooms, examination rooms, or other patient areas. Applies clean dressings, slings, stockings, or support bandages, under direction of nurse or physician. Changes bed linens or make beds. Restocks patient rooms with personal hygiene items, such as towels, washcloths, soap, or toilet paper. Stocks or issues medical supplies, such as dressing packs or treatment trays. Assists nurses or physicians in the operation of medical equipment or provision of patient care. Explains medical instructions to patients or family members. Provides information such as directions, visiting hours, or patient status information to visitors or callers.