Which of the Following Lymphoid Tissues Is the First to Be

question 10

Multiple Choice

Which of the following lymphoid tissues is the first to be depleted by infection with HIV-1?

• A) Thymus gland
• B) Spleen
• C) Lymph nodes
• D) Tonsils
• E) Gut associated lymphoid tissue

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Definitions:

Contingency Management

A type of behavioral therapy where certain behaviors are reinforced by providing or withholding rewards.

Primary Reinforcer

A naturally reinforcing stimulus, such as food or water, that satisfies a basic biological need without prior learning.

Variable-interval Schedule

A reinforcement schedule in which the first response is rewarded after a variable amount of time has passed.

Token Economies

A behavioral modification system used in various settings where individuals earn tokens for exhibiting desired behaviors, which can later be exchanged for rewards.