The Sphincter Muscle at the End of the Digestive Tract

question 44

Multiple Choice

The sphincter muscle at the end of the digestive tract is the

• A) rectum
• B) anus
• C) pyloric sphincter
• D) cecum

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Definitions:

Sympathetic Activity

Part of the autonomic nervous system responsible for the body's 'fight or flight' response, regulating heart rate, blood pressure, and energy release.

General Adaptation Syndrome

The process of physiological stress response consisting of three stages: alarm, resistance, and exhaustion, described by Hans Selye.

Alarm Reaction Stage

The initial phase of the stress response, where the body mobilizes its resources to cope with a stressor, characterized by the activation of the sympathetic nervous system.

Resistance Stage

The second phase of the general adaptation syndrome, where the body adapts to a stressor with increased resistance but at a cost to its resources.