They should not be confused with Physician assistants, who examine, diagnose, and treat patients under the direct supervision of a physician, which is what I am going to be. The duties of medical assistants vary from office to office, depending on the location and size of the practice and the practitioner's specialty. In small practices, medical assistants usually do many different kinds of tasks, handling both administrative and clinical duties and reporting directly to an office manager, physician, or other health practitioner. Those in large practices tend to specialize in a particular area, under the supervision of department administrators. Medical assistants who perform administrative tasks have many duties that are help full to making a (PA’s) day running smoothly. They update and file patients' medical records, fill out insurance forms, and arrange for hospital admissions and laboratory services. They also perform tasks less specific to medical settings, such as answering telephones, greeting patients, handling correspondence, scheduling appointments, and handling billing and bookkeeping. For clinical medical assistants, duties vary according to what is allowed by state law. Some common tasks include taking medical histories and recording vital signs, explaining treatment procedures to patients, preparing patients for examinations, and assisting physicians during examinations. Some ways a (MA) can help while I see a patient is , collect and prepare laboratory specimens and sometimes perform basic laboratory tests on the premises, dispose of contaminated supplies, and sterilize medical instruments. They might instruct patients about medications and special diets, prepare and administer medications , authorize drug refills as directed, telephone prescriptions to a pharmacy, draw blood, prepare patients for x-rays, take electrocardiograms, remove sutures, and change dressings. Medical assistants are very important in keeping the office supplied because they also may