The Sensitivity of Long Receptors in the Skin of Various

question 52

Multiple Choice

The sensitivity of long receptors in the skin of various body parts in the periphery are determined by the

• A) size of their receptive fields
• B) number of terminal axons at the receptor
• C) length of the axon between the receptor and the dorsal root ganglion
• D) length of the axon between the dorsal root ganglion and spinal cord
• E) number of somas in the dorsal root ganglion

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Definitions:

Reticular Activating System

A network of neurons located in the brainstem that plays a key role in regulating wakefulness and sleep-wake transitions.

Peripheral Nervous System

The peripheral nervous system is the part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, connecting the central nervous system to limbs and organs.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back and transmits neural signals between the brain and the rest of the body.

Cross-Sectional View

Provides a view of an object as if it were sliced perpendicularly to show its internal structure.