Up to Half of the IgG Found in the Serum

question 5

Multiple Choice

Up to half of the IgG found in the serum of a normal individual is produced by which of the following cells?

• A)Naive B cells in lymph nodes
• B)Activated B cells in the spleen
• C)B cells in germinal centers of lymph nodes
• D)B lymphocytes in the gastrointestinal tract
• E)Long-lived plasma cells in the bone marrow

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally triggers a reflexive response without the need for prior learning.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Conditioned Response

A behavioral reaction developed in response to a stimulus that was once neutral but has now been linked with an unconditioned stimulus.

Law Of Effect

A principle in psychology stating that behaviors followed by satisfying consequences tend to be repeated, while those followed by unpleasant consequences are less likely to be repeated.