Action Potentials Would Move in What Direction Through the Spinal

question 8

Multiple Choice

Action potentials would move in what direction through the spinal cord?

• A) dorsal root -> spinal nerve -> ventral root
• B) spinal nerve -> dorsal root -> ventral root
• C) ventral root -> dorsal root -> spinal nerve
• D) ventral root -> spinal nerve -> dorsal root

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Definitions:

Gate-Control Theory

A theory that suggests pain is not merely a direct result of activation of pain fiber receptors, but is also subject to modulation by interneurons in the spinal cord that can 'gate' pain signals.

Large-Fiber Activity

Large-Fiber Activity refers to the actions or responses of large-diameter nerve fibers, which are typically involved in the transmission of touch and proprioceptive information.

Spinal Cord

The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from which the spinal nerves emerge.

Metal Belt Buckle

A device usually made of metal that fastens together the two ends of a belt or strap.