The White Matter of the Spinal Cord

question 74

Multiple Choice

The white matter of the spinal cord:

• A) contains ascending (sensory) and descending (motor) tracts.
• B) is surrounded by gray matter.
• C) is subdivided into regions called horns.
• D) all of these choices

---

Definitions:

Extrinsic Goal

An objective that is motivated by external factors, such as rewards or recognition from others.

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for conserving energy and promoting relaxation and recovery, often referred to as the "rest and digest" system.

Autonomic Nervous System

The part of the nervous system responsible for involuntary functions such as heart rate, digestion, and respiratory rate, comprising sympathetic and parasympathetic divisions.

Sympathetic Nervous System

The part of the autonomic nervous system that prepares the body for action, "fight or flight", in response to stress.