Use of correct body mechanic is to ensure safety of:

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

a. t-bone b. intersection c. lateral d. rollover

Positive expiratory pressure (PEP) is typically performed 10 to 20 times and then followed by

A) forced exhalation technique (FET) B) flutter valve therapy C) high-frequency chest compression D) autogenic drainage