Bilateral injuries, circumferential bruising, and pattern bruises are suggestive of:

Use of a conversion factor allows the insurance company to:

a. increase the deductible at regular intervals. b. vary the copayment for services. c. pay a small portion of services at 100 percent and others at varying amounts. d. confuse the physician's office.

In which of the following types of ventilation is alveolar expansion during inspiration due to an increase in alveolar pressure?

1. Negative-pressure ventilation 2. Positive-pressure ventilation 3. Spontaneous ventilation a. 1 and 2 only b. 2 and 3 only c. 2 only d. 1, 2, and 3