Multiple Choice
Which of the following correctly describes the impact of motorcycle helmet use?
A) Helmet usage is associated with a 10 percent reduction in serious head injuries.
B) There have been no reported fatalities from motorcycle collisions in which the riders were wearing helmets.
C) Helmet usage decreases the risk of serious head injuries but increases the risk of cervical-spine injuries.
D) Helmet usage results in a more than 50 percent reduction in serious head injuries.
Correct Answer:

Verified
Correct Answer:
Verified
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