According to the Waddell triad, the second impact from a motor vehicle occurs when the:

A) head strikes the ground, resulting in skull and facial fractures.
B) car's bumper strikes the pelvis and femurs instead of the knees.
C) child is run over by the car as he or she is propelled to the ground.
D) chest and abdomen strike the grille or low on the hood of the car.

Ans: D) chest and abdomen strike the grille or low on the hood of the car.