Backup of Food from the Small Intestine to the Stomach

question 116

Multiple Choice

Backup of food from the small intestine to the stomach is prevented by the:

• A)cardiac sphincter
• B)gastric sphincter
• C)pyloric sphincter
• D)duodenal valve

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Definitions:

Kilogram

A unit of mass equal to 1,000 grams, used in the metric system.

Gram

A metric unit of mass equal to one-thousandth of a kilogram, also used in microbiology as a staining method to classify bacteria.

Pallor

The absence of color in the skin, often indicating anemia or shock, giving it a pale appearance.

Epidemic

A widespread occurrence of an infectious disease in a community at a particular time, affecting a disproportionately large number of individuals.