Compared to Undifferentiated B Cells

question 43

Multiple Choice

Compared to undifferentiated B cells,

• A)Plasma cells are more effective antigen-presenting cells
• B)Plasma cells have increased amounts of granular endoplasmic reticulum
• C)Memory cells respond faster to antigen
• D)Both plasma cells are more effective antigen-presenting cells and memory cells respond faster to antigen are correct
• E)Both plasma cells have increased amounts of granular endoplasmic reticulum and memory cells respond faster to antigen are correct

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Definitions:

Extinction

The process by which stimuli lose their ability to evoke learned responses because the events that had followed the stimuli no longer occur. The learned responses are said to be extinguished.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, aiming at increasing or decreasing specific behaviors.

Voluntary Responses

Actions that are under conscious control, often in contrast to reflexive or automatic responses.

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without the need for learning.