Which Sphincter Keeps Stomach Acid from Regurgitating into the Esophagus

question 7

Multiple Choice

Which sphincter keeps stomach acid from regurgitating into the esophagus?

• A) Pyloric
• B) Lower esophageal
• C) Upper esophageal
• D) Gastric

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Definitions:

Mm Hg

Millimeters of mercury; a unit of pressure commonly used in medicine and meteorology to measure blood pressure and atmospheric pressure, respectively.

Uniform

Characterized by being the same in all situations, without variation or diversity in detail or condition.

Unimodal

A description of a distribution that has a single peak or mode; characterized by having one predominant value or central tendency.

Six-Sided Die

A common gaming object with six faces, each displaying a different number of dots from one to six.