To supplement Medicare, the Department of Defense offers

An example of a mechanical modality used in pain management is

A) biofeedback B) hot pack C) electrical stimulation D) massage

Moderate rises in pleural pressure during positive-pressure ventilation have a minimal effect on cardiac output in normal subjects. What are some reasons for this lack of effect?

1. Compensatory dilation of the large arteries 2. Compensatory increase in venomotor tone 3. Compensatory increase in the cardiac rate a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only