Which of the Following Statements About Gastrin Is TRUE

question 38

Multiple Choice

Which of the following statements about gastrin is TRUE?

• A) It is mainly secreted by cells in the epithelium of the duodenum.
• B) It is an enzyme that is secreted into the lumen of the stomach.
• C) It is a hormone that is secreted in response to sympathetic stimulation.
• D) It is an enzyme that breaks down proteins.
• E) It is a hormone that is secreted in response to the presence of peptides in the stomach.

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Definitions:

Average Excess Returns

The average return on an investment above the return of a benchmark or risk-free asset.

Quasilinear

Pertaining to equations or functions that are nearly, but not exactly, linear in their behavior or representation.

Betas

A measure of a stock's volatility in relation to the overall market; a beta above 1 indicates greater volatility than the overall market.

Multifactor Model

Model of security returns positing that returns respond to several systematic risk factors as well as firm-specific influences.