Which Part of the Immune System's "Learning System" Is Responsible

question 11

Multiple Choice

Which part of the immune system's "learning system" is responsible for maintaining life-long immunity against measles after a measles infection?

• A)Somatic recombination
• B)Affinity maturation
• C)Clonal expansion
• D)Retention of responding cells

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Definitions:

Oculomotor Nerve

The third cranial nerve responsible for the control of most of the eye's movements, including the constriction of the pupil and maintaining an open eyelid.

Dorsal Spinal Cord

The portion of the spinal cord that is oriented toward the back of the body, responsible for transmitting sensory information from the body to the brain.

Ventral Spinal Cord

The front section of the spinal cord, which contains motor neurons that control muscles and movement.

Sensory Input

Information received by sensory receptors from the environment, which is then processed by the nervous system.