________ crashes are the most common and usually the most serious type of collision in which ambulances are involved.

A qualifying circumstance code for total body hypothermia is:

a. 99100. b. 99116. c. 99135. d. 99140.

What is the range for adjustment of the expiratory sensitivity on the Covidien PB 840?

a. 1% to 50% c. 1% to 70% b. 1% to 60% d. 1% to 80%