Which of the Following Anatomic Regions Is Normally Protected from Pathogens

question 2

Multiple Choice

Which of the following anatomic regions is normally protected from pathogens only by humoral immune responses and not by cell-mediated immune responses?

• A)Skin
• B)Intestinal lumen
• C)Intestinal epithelium
• D)Central nervous system
• E)Spleen

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Definitions:

Marginal Utility

The additional satisfaction or benefit (utility) that a person receives from consuming one more unit of a good or service.

Utils

A hypothetical unit of measurement used in economics to quantify utility or the satisfaction gained from consuming goods and services.

Indifference Curve

A contour line showing all consumption bundles that yield the same amount of total utility for an individual.

Total Utility

The overall satisfaction or benefit that a consumer derives from consuming a particular quantity of goods or services.