Volume I of the ICD-9-CM is a tabular listing of diseases

The principle way dry chemical agent extinguishes fire is through the interruption of ______________

a. pyrolysis b. heat of vaporization c. decomposition of extinguishing agent d. chemical chain-breaking reactions

A reflex arc occurs when:

A) The motor nerves function automatically without receiving a message from the CNS B) a sensory nerve sends a message to the brain but the motor nerve fails to send the appropriate response to the body C) the brain interprets sensory information that it receives from peripheral and cranial nerves and sends a signal to the muscles D) a sensory nerve detects an irritating stimulus and bypasses the brain by sending a direct message to the motor nerve