Mechanism of Injury (MOI),or Kinematics,involves the Action of Forces on the Human

question 12

Multiple Choice

Mechanism of injury (MOI) ,or kinematics,involves the action of forces on the human body and their effects.Motor vehicle collisions (MVCs) account for a high degree of blunt trauma.In the case of an adult trauma victim who is the driver in a head-on MVC at high speed,where the head hits the windshield and the chest impacts the steering wheel,what is the MOI and description of the possible injuries?

• A) Acceleration; contusion of the occipital lobe of the brain and posterior chest wall
• B) Deceleration; contusion of the frontal lobe of the brain and anterior chest wall
• C) Acceleration/deceleration; injury to the anterior and posterior brain and internal thoracic organs and vessels
• D) Blunt force trauma; impact force causes subdural and epidural hemorrhage and transaction of the thoracic aorta and great vessels

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Definitions:

Effector Organ

An organ that can respond to stimuli from the nervous system and cause an effect or change in the body.

Dorsal Root

The sensory division of a spinal nerve, which enters the spinal cord and transmits sensory data from the peripheral nervous system to the central nervous system.

Spinal Nerve

A nerve that emerges from the spinal cord, carrying motor, sensory, and autonomic signals between the spinal cord and the body.

Ventral Root

The part of a spinal nerve that emerges from the anterior (ventral) part of the spinal cord, carrying motor information from the central nervous system to the muscles.