The _________________________ reflex results in retraction of the tongue into the pharynx

You are working at a multiple-casualty incident (MCI) involving the use of an incendiary device that was thrown into a large group of people. The victims could be expected to have:

A) contamination from biological agents. B) fractures from the initial explosion. C) burn injuries. D) possible radiation exposure.

Crude rates refer to:

a. A specific age group b. A specific gender c. The total population d. None of the above