Patients who have crowded teeth, orthodontic braces, and poor dental care run the risk of developing gingivitis

Which of the following is TRUE regarding a motorcycle collision?

A) Frontal impact can result in intraabdominal, pelvic, and femur injuries. B) A rider who "lays down the bike" will generally receive more severe injuries than a rider who stays with the bike. C) The structural steel of the vehicle absorbs most of the kinetic energy in a motorcycle collision. D) The use of helmets has drastically reduced the incidence of cervical spine injuries.

Challenges faced by volunteer EMS squads correlate with all of the following EXCEPT:

a. aggravation of the distance/time factor because volunteers must travel from home or work to the ambulance before leaving for the scene. b. squad makeup is more constant over time than in cities because of low turnover. c. ongoing training is paid by the volunteer, forcing a time and monetary sacrifice to remain up-to-date. d. low call volume may lead to inadequate experience with certain procedures to remain fully competent.