What Characteristic of Fast Nerve Fibers Permits Them to Transmit

question 43

Multiple Choice

What characteristic of fast nerve fibers permits them to transmit signals perceived as sharp, immediate pain?

• A) They are nonmyelinated axons,which transmit signals faster than myelinated axons.
• B) They tell your brain where your body is in space,so they allow you to perceive immediate pain.
• C) They are myelinated axons,which transmit signals faster than nonmyelinated axons.
• D) They respond to continued vibration and fast pressure,so they transmit pain more easily.

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Definitions:

Insulates

Refers to the process or material used to prevent the transfer of heat, electricity, or sound from one area to another.

Neural Message

The transmission of information through neurons, involving electrical impulses and chemical signals.

Substantia Nigra

A brain structure located in the midbrain that plays an important role in reward, addiction, and movement.

Midbrain

A part of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.