Anatomy & Physiology Question #40
Question
What does a reflex arc contain?
Answers
- Sensory neuron
- Rationale:
- Sensory reception
- Rationale:
- Motor neuron
- Rationale:
- Gray matter
- Rationale:
- White matter
- Rationale:
Overview
Explanation
The correct answers are A, B, and C. A reflex occurs when nerve impulses travel over a simple neuron. It elicits a pathway called a reflex arc. Reflex arcs have five basic systems: receptors, sensory neurons, interneurons, motor neurons, and effectors. A reflex arc does not contain gray or white matter.