You Respond to the Scene of a Motor Vehicle Collision

question 36

Multiple Choice

You respond to the scene of a motor vehicle collision involving a small pickup truck that struck the rear of a moving tractor-trailer.The driver of the tractor-trailer is walking around and complains of neck pain.The driver of the pickup truck is conscious,but cannot exit the vehicle because the door is stuck and the steering wheel is displaced onto his lap.The passenger of the pickup truck is sitting upright in the passenger seat,is unconscious,but has radial pulses.Access to the passenger is not obstructed.A fourth patient,who was sitting in the pickup truck bed,is found about 10 feet away and responds to commands appropriately.Assuming your ambulance is the only emergency vehicle on the scene currently,which of the following patients should be packaged for transport first by the next arriving ambulance?

• A) Tractor trailer driver
• B) Pickup truck driver
• C) Passenger in the pickup truck's front seat
• D) Passenger ejected from the pickup truck bed

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Definitions:

Ganglion Cells

Neurons in the retina of the eye, which gather information from receptor cells (by way of intermediate bipolar cells); their axons make up the optic nerve.

Rods

Photoreceptor cells in the retina of the eye that are extremely sensitive to light and enable vision in low-light conditions.

Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors via intermediate bipolar cells and transmit it to the brain.

Thalamus

A brain structure that acts as a relay station for sensory and motor signals to the cerebral cortex.