____________________ is a white, fatty wrapping made up of Schwann cells (in the PNS) or oligodendrocytes (in the CNS); it speeds up neural conduction

The patient is responsible for payment when a claim is denied in all of the following cases EXCEPT when:

services were for treatment of an excluded preexisting condition. services were provided after coverage was canceled. services were provided that were not preauthorized. services were provided before coverage was in effect.

A three-step model developed by Kenneth Blanchard and Norman Vincent Peale is used to evaluate

A) alcoholism. B) legal issues. C) comparable worth. D) an ethical dilemma.