Because the Appendix Is a Narrow Tube, It Traps Microorganisms

question 12

Multiple Choice

Because the appendix is a narrow tube, it traps microorganisms from the digestive tract, and these microorganisms enter its wall and activate memory lymphocytes for long-term immunity. Another immune organ that traps microorganisms is the

• A) thymus.
• B) bone marrow.
• C) palatine tonsil.
• D) the spleen.

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Definitions:

Allocative Efficiency

A state of resource allocation where goods and services are distributed according to consumer preferences, with each good produced up to the point where the last unit provides a level of utility equal to its cost of production.

Productive Efficiency

A situation where goods and services are produced at the lowest possible cost and resources are utilized optimally.

Cost Minimization

A strategy employed by businesses to reduce production or operational costs to the lowest possible level without sacrificing quality or output.

Marginal Cost

The cost implicated in generating an added unit of a product or service.