Which Statement Describes the Muscular Contractions of the GI Tract

question 53

Multiple Choice

Which statement describes the muscular contractions of the GI tract? ​

• A)Peristalsis begins in the stomach upon the initiation of the swallowing reflex.
• B)To withstand the pressure of stool evacuation, the colon must have the thickest and strongest muscles of the GI tract.
• C)The jejunum has a third layer of diagonal muscles to enhance contraction and relaxation phases for optimal digestion.
• D)The periodic contractions of intestinal muscles mix the chyme before allowing the contents to move toward the colon.

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Definitions:

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences.

Internality

A personality trait that involves attributing success and failure to one's own efforts and abilities.

Externality

A term in economics that describes a cost or benefit that affects a party who did not choose to incur that cost or benefit.

Internality-Externality

A psychological dimension that distinguishes between individuals who attribute outcomes to their own control (internality) and those who attribute them to external forces (externality).