Which of the following is an example of an exterior barrier?

Before the 1970s, a physician's practice would grow based on:

a. advertising and referrals. b. managed care contracts. c. consultations. d. hospital affiliations.

Since the medical assistant is acting as the agent of the physician, the physician holds all responsibility and is the only one who will face punishment in the event of a medication error

Indicate whether the statement is true or false