People Who Receive a Sharp Blow to the Elbow Will

question 4

Multiple Choice

People who receive a sharp blow to the elbow will sometimes feel their pinky and third finger go numb.The injury that causes this happens to the ________.

• A) central nervous system
• B) peripheral nervous system
• C) sensory neurons
• D) motor neurons
• E) spinal cord

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Definitions:

Cell Body

The spherical part of a neuron that contains the nucleus and connects to the dendrites and the axon, playing a crucial role in processing information.

Dorsal Root Ganglion

A cluster of nerve cell bodies (neurons) in a dorsal root of a spinal nerve.

Satellite Cells

Cells located at the periphery of skeletal muscle fibers, involved in the repair and regeneration of damaged muscle tissue.

Schwann Cells

Peripheral nervous system cells that produce myelin, insulating axons to increase the speed at which electrical impulses are conducted.