As a hospital security officer, you protect staff, patients, and visitors and ensure that all hospital property is secure. Your duties are to patrol the building and its grounds, monitor all activity in and out of the hospital, and endeavor to prevent vandalism, theft, fire, and disturbances within the facility.
You may call them simply doctors. But most doctors have extra expertise in one type of medicine or another. In fact, there are several hundred medical specialties and subspecialties. Here are the most common types of doctors you'll likely see.