The outermost layer of the skin is called the

Research findings have substantiated:

a. early intervention following a critical incident lessens the amount of subsequent emotional trauma for emergency responders. b. it is beneficial for an emergency responder to have the PIO arrange for a news interview as quickly as possible following a critical incident. c. caffeine and tobacco have little effect on an emergency responder following a critical incident. d. no relationship exists between physical exercise and level of stress hormones following a critical incident.

Which of these is considered a non-physician specialty?

A) psychiatry B) dentistry C) plastic surgery D) obstetrics