Which of the Following Best Describes the Muscular Actions of Digestion

question 107

Multiple Choice

Which of the following best describes the muscular actions of digestion?

• A) Peristalsis begins in the stomach upon the initiation of the swallowing reflex.
• B) Contraction and relaxation along the jejunum is enhanced by a third layer of diagonal muscles.
• C) Segmentation along the intestines allows momentary reversal of the movement of intestinal contents.
• D) Relaxation of the rectal sphincter muscles prevents the continuous elimination of stool.

Recognize changes in the gastrointestinal system associated with aging.

Understand the significance of specific abdominal findings related to gastrointestinal disorders.

Explain the anatomical relevance of abdominal regions in relation to patient symptoms and health conditions.

Identify signs and symptoms of potential abdominal emergencies.

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