A preexisting condition that, because of its effect on the principal diagnosis, results in more intensive therapy or a longer stay is a(n):

Which of the following statements is true concerning "joint play" of a joint?

a. Joint play is not considered a "normal" motion at the joint. b. They must be tested by application of an external force. c. They can be performed voluntarily by a subject. d. They occur only in the close-packed position of the joint.

The TRICARE plan option that provides benefits using a fee-for-service, cost-sharing structure is:

A) TRICARE Standard. B) TRICARE for Life C) TRICARE Prime. D) CHAMPVA.