Apply clean dressings, slings, stockings, or support bandages, under direction of nurse or physician., Assist nurses or physicians in the operation of medical equipment or provision of patient care., Collect specimens, such as urine, feces, or sputum., Communicate with patients to ascertain feelings or need for assistance or social and emotional support., Document or otherwise report observations of patient behavior, complaints, or physical symptoms to nurses., Feed patients or assist patients to eat or drink., Gather information from caregivers, nurses, or physicians about patient condition, treatment plans, or appropriate activities., Observe or examine patients to detect symptoms that may require medical attention, such as bruises, open wounds, or blood in urine., Provide physical support to assist patients to perform daily living activities, such as getting out of bed, bathing, dressing, using the toilet, standing, walking, or exercising., Record vital signs, such as temperature, blood pressure, pulse, or respiration rate, as directed by medical or nursing staff., Set up treating or testing equipment, such as oxygen tents, portable radiograph (x-ray) equipment, or overhead irrigation bottles, as directed by a physician or nurse., Greet customers and ascertain what each customer wants or needs., Describe merchandise and explain use, operation, and care of merchandise to customers., Compute sales prices, total purchases and receive and process cash or credit payment., Answer questions regarding the store and its merchandise., Maintain knowledge of current sales and promotions, policies regarding payment and exchanges, and security practices., Place special orders or call other stores to find desired items.