The Educator Is Reviewing the Neural Mechanisms of Pain with a Nurse

question 27

Multiple Choice

The educator is reviewing the neural mechanisms of pain with a nurse. Which information should the educator provide about substance P?

• A) Substance P modifies sensory information in the spinal cord.
• B) Substance P is also known as an endogenous opioid.
• C) Substance P stimulates pain receptors in the spinal cord.
• D) Substance P controls which pain signals reach the brain.

---

Definitions:

Cerebral Cortex

The outer layer of neural tissue of the cerebrum of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Cerebrum

The largest structure of the human brain, consisting of the two cerebral hemispheres connected by the corpus callosum and covered by the cerebral cortex.

Midbrain

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

Mesobrain

Another term for the midbrain, which is a portion of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.