Which of the Following Protects the Walls of the Stomach

question 131

Multiple Choice

Which of the following protects the walls of the stomach against the action of its own digestive juices?

• A) An antienzyme chemical formed by the gastric glands
• B) The nervous reactions of the lining of the stomach
• C) Control by a center in the medulla of the brain
• D) A mucus covering the stomach's inner surface
• E) Alkaline secretions of the gastric glands that neutralize acidic secretions

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Definitions:

Cyclohexene

A volatile and flammable hydrocarbon with a cyclic structure, containing a single double bond, used as an intermediate in the synthesis of other compounds.

Crossed Claisen Condensation

A reaction involving the condensation of two different esters or an ester and a carbonyl compound under basic conditions to form a β-keto ester.

Starting Materials

The raw substances or compounds that are used as inputs in a chemical reaction.

Acetoacetic Ester

Acetoacetic ester (ethyl acetoacetate) is an organic compound used in the synthesis of a wide range of chemicals, acting as a precursor for the synthesis of many compounds.