An unrestrained driver of a car that has struck a tree at 45 mph has suffered a contusion (bruise) ...

An unrestrained driver of a car that has struck a tree at 45 mph has suffered a contusion (bruise) to his heart. The AEMT would recognize that this injury occurred during which impact of the collision?
 
  A) Physiologic collision
  B) Organ collision
  C) Vehicle collision
  D) Body collision

Question 2

Which of the following is NOT an accessory muscle of breathing?
 
  A) Neck muscles
  B) Diaphragm muscle
  C) Intercostal muscles
  D) Abdominal muscles

Question 3

Two cars have collided head on. One car was traveling 55 mph and the other 35 mph. The total speed of impact would be:
 
  A) 55 mph.
  B) 90 mph.
  C) 20 mph.
  D) 35 mph.

Question 4

The inability to maintain adequate ventilation and oxygenation is defined as:
 
  A) respiratory failure.
  B) respiratory arrest.
  C) respiratory distress.
  D) agonal respirations