Adaptive Immunity Is Sometimes Also Called Acquired Immunity

question 21

Multiple Choice

Adaptive immunity is sometimes also called acquired immunity. Which of the following statements provides a basis for the alternative name?

• A) To become activated, lymphocytes require exposure to the antigenic determinant for which they are specific.
• B) Lymphocytes of the adaptive immune system are highly specific for a single antigenic determinant.
• C) Activated lymphocytes produce daughter cells that are identical in specificity and function.
• D) Activated lymphocytes may persist for years in the body.
• E) Lymphocytes reactive to normal body components are removed.

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Definitions:

Neurons

Specialized cells transmitting nerve impulses; the basic building blocks of the nervous system.

Astrocytes

Star-shaped glial cells in the brain and spinal cord, crucial for the repair and scarring process of the central nervous system.

Olfactory Bulbs

Structure located in the forebrain of vertebrates that processes information about odors detected by cells in the nasal cavity.

Hippocampus

The hippocampus is a major component of the human brain, involved in memory formation and spatial navigation.