What Causes Peristalsis

question 1

Multiple Choice

What causes peristalsis?

• A) relaxation of the circular muscle layer and contraction of the longitudinal muscle at the same segment
• B) contraction of both the circular muscle layer and longitudinal muscle in the proximal segment coupled with the relaxation of both the circular muscle layer and longitudinal muscle in the distal segment
• C) contraction of the circular muscle layer and relaxation of the longitudinal muscle at the same segment
• D) contraction of the circular muscle layer and relaxation of the longitudinal muscle in the proximal segment coupled with the contraction of longitudinal muscle and relaxation of the circular muscle in the distal segment
• E) relaxation of the circular muscle layer and contraction of the longitudinal muscle in the proximal segment coupled with the relaxation of longitudinal muscle and contraction of the circular muscle in the distal segment

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Definitions:

Parasympathetic Nervous System

A component of the autonomic nervous system that plays a crucial role in energy conservation and reducing the heart rate, among various other tasks.

Somatic

Pertaining to the body, particularly as distinct from the mind or psyche, often used in the context of bodily symptoms or sensations.

Sympathetic

Part of the autonomic nervous system involved in the body's fight or flight response, preparing the body for rapid action in response to a threat.

Sympathetic Nervous System

A part of the autonomic nervous system that activates the 'fight or flight' response, increasing heart rate, dilating pupils, and preparing the body for action.