After Chyme Leaves the Stomach and Enters the Duodenum, the Duodenum

question 30

Multiple Choice

After chyme leaves the stomach and enters the duodenum, the duodenum is protected from the acidic chyme because

• A) bicarbonate secreted by the pancreas neutralizes the chyme.
• B) bile secreted by the gallbladder neutralizes the chyme.
• C) enzymes secreted in the duodenum degrade the acid.
• D) None of the above because the chyme is not terribly acidic when it leaves the stomach

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Definitions:

Single Index Model

A simplified model to estimate security returns that relates these returns to a single market index, accounting for market risk.

Portfolio's Sigma

Portfolio's Sigma, often synonymous with standard deviation, quantifies the overall risk or volatility of a portfolio, indicating how its returns can vary from the expected return.

Single Index Model

A financial model that describes the return of a stock as a function of the return of a market index, plus a residual unique to the stock.

Actual Return

The real return an investor receives on an investment, factoring in all gains, losses, dividends, and interest.