Which of the Following Statements Is True

question 46

Multiple Choice

Which of the following statements is true?

• A) The pyloric sphincter controls the rate at which chyme enters the small intestine.
• B) A person cannot live for more than a few weeks without his or her gallbladder.
• C) The esophagus is the muscular valve that connects the stomach to the small intestine.
• D) The colon is the major site of nutrient absorption in the human digestive system.

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Definitions:

Muscles Contract

The process by which muscle fibers shorten and generate force, typically in response to a signal from the nervous system.

Muscle Tone

A state of muscle contraction in which a portion of the fibers are contracted while others are at rest.

Extensor Muscle

A muscle that extends or straightens a limb or part of the body, working in opposition to flexor muscles.

Triceps

The posterior muscles of the arm that work as a team with the biceps; the triceps straighten the elbow.