Figure 17.1 -In Figure 17.1, the Arrow at Time D Indicates

question 26

Multiple Choice

Figure 17.1

-In Figure 17.1, the arrow at time d indicates

• A) The secondary response.
• B) The time of exposure to the same antigen as at time a.
• C) Exposure to a new antigen.
• D) The primary response.
• E) None of the above.

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Definitions:

Physiological State

The condition of normal function of a living organism's body and its systems.

Motivational Arousal

The process of being mentally stimulated to do or feel something, especially to do something creative or achieve goals.

A Need

A requirement essential for an organism's survival, such as food, water, shelter, or warmth.

Drive-Reduction Theory

A theory of motivation suggesting that behavior is driven by the desire to reduce internal tension caused by unmet biological needs.