Which Group Is Incorrect

question 2

Multiple Choice

Which group is incorrect?

• A) first line of defense:skin,mucous membrane,tears,sneezing
• B) specific immunity:B cells,T cells
• C) mechanical barriers:skin,mucous membrane
• D) chemical barriers:tears,saliva,stomach acid,B cells,T cells

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Definitions:

Aversive Events

Unpleasant or harmful events or stimuli that an individual seeks to avoid or escape.

Avoidance Conditioning

A learning process through which a subject learns to avoid an unpleasant or harmful stimulus by engaging in particular behaviors.

Passive Avoidance

A learning process in which an individual learns to avoid a stimulus or situation after experiencing or anticipating an unpleasant outcome.

Two-Way Avoidance

A learning process in which an animal or human learns to avoid a negative stimulus by performing a particular behavior.