Which of the Following Statements Is Not Fundamental to the Clonal-Selection

question 12

Multiple Choice

Which of the following statements is not fundamental to the clonal-selection theory of how the acquired immune system functions?

• A)Each lymphocyte has a unique membrane receptor that recognizes one antigen.
• B)When the lymphocyte binds an antigen,it is activated and begins dividing to form many identical copies of itself.
• C)Cloned lymphocytes have slight differences and are selected by the spleen for removal if they do not bind an antigen.
• D)Cloned cells descend from an activated lymphocyte and persist even after the pathogen is eliminated.

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Definitions:

ADH Inhibitors

Substances that reduce the effect or production of antidiuretic hormone, leading to increased urine output.

Plasma Clearance

The volume of plasma from which a substance is completely removed per unit time, indicating the efficiency of elimination by the kidneys or other body systems.

Inulin

A type of soluble fiber found in various plants, used as a dietary fiber and sometimes for testing kidney function.

ADH

Antidiuretic Hormone, a hormone that helps regulate water balance in the body by increasing water reabsorption in the kidneys.