<span>A: </span>Ambulatory care consists of diagnostic and therapeutic services and treatments provided to the "walking"(ambulatory) patients. Patents who came to physicians offices, outpatient departments to receive care. Some outpatients services maybe offered by hospital or long term facility.
A Registered Nurse (RN) provide hands-on care in various settings, including long-term care facilities, nursing homes, prisons, homes and other facilities. Most often, a post-acute registered nurse is a direct caregiver for patients. They manage patients’ daily activities, control safety, and provide basic care.
I think it is c. A public service announcer.