Compared with Other Sensory Neurons, Such as Those That Serve

question 142

Multiple Choice

 Compared with other sensory neurons, such as those that serve mechanoreceptors, Ia sensory fibers are

• A) far less commonly found in the human nervous system.
• B) less likely to be myelinated in the human nervous system.
• C) very large and very fast.
• D) very small and slow.

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Definitions:

Ventral Roots

The efferent motor root of a spinal nerve, through which motor neurons exit the spinal cord.

Spinal Nerves

Nerves that emerge from the spinal cord, crucial for transmitting motor, sensory, and autonomic signals between the spinal cord and the body.

Meninges

The three protective membranes that cover the brain and spinal cord.

Dura Mater

The tough outermost layer of the three membranes (meninges) covering the brain and spinal cord.