Final answer:
A medical assistant demonstrates the use of appropriate technique for outgoing calls by confirming the patient's identity and purpose of the call before discussing personal information.
Step-by-step explanation:
When communicating on the telephone with a patient, a medical assistant demonstrates the use of appropriate technique for outgoing calls by:
C. Confirming the patient's identity and purpose of the call before discussing personal information.
By confirming the patient's identity and purpose of the call, the medical assistant ensures patient privacy and safety. It also helps to prevent information from being disclosed to unauthorized individuals.