Question

post - test
which passenger compartment part helps protect against whiplash?
a. brake pedal
b. headrest
c. knee bolster
d. seatbelt

Explanation:

The headrest is designed to prevent the head from snapping back violently in a collision, reducing the risk of whiplash. Brake pedals, knee bolsters, and seat - belts have other safety functions but not primarily for whiplash protection.

Answer:

B. Headrest