Which Statement About the Esophagus Is True

question 231

Multiple Choice

Which statement about the esophagus is true?

• A) The esophagus is ventral to the trachea.
• B) Gravity is the primary force that moves food through the esophagus.
• C) Under normal circumstances, food moves from the larynx into the esophagus.
• D) The autonomic and enteric nervous systems control the smooth muscle that runs the entire length of the esophagus.
• E) When stretched, smooth muscle of the esophagus contracts and pushes food toward the stomach.

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Definitions:

Isoquants

A curve representing all combinations of inputs that give the same level of output.

Production Function

An equation that describes the relationship between inputs and the maximum output that can be produced.

Slope

The rate at which a line rises or falls, indicating the steepness of a line on a graph, often representing change in variables in economics.

Isoquants

Curves that represent combinations of different inputs that produce the same level of output in production theory.