Emergency Medical Technician (EMT) Trauma Practice Test

If a vehicle strikes a tree at 60 MPH, the unrestrained driver would likely experience the MOST severe injuries during the:

1. First collision

2. Second collision

3. Third collision

4. Fourth collision

The correct answer is: First collision

When a vehicle strikes a tree at 60 MPH, the unrestrained driver would likely experience the most severe injuries during the first collision. This is because the initial impact between the vehicle and the tree is the primary force that causes the most significant deceleration forces on the driver's body. These forces can result in severe injuries such as head trauma, chest injuries, and internal organ damage, making the first collision the most critical in terms of injury severity. The second collision, third collision, and fourth collision mentioned in the other options do not actually occur in this scenario. The concept of multiple collisions is not applicable when a vehicle strikes a stationary object like a tree at high speed. Hence, the correct answer is A: First collision, as it is crucial to understand the severity of injuries primarily resulting from the initial impact.