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Aanatomy221-Week13
| Question | Answer |
|---|---|
| Molecules formed by the reactions of the complement cascade assemble themselves on the enemy cell’s surface, which results in | cytolysis |
| The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are | innate and adaptive immunity |
| Activities that result in central movement or flow of lymph are called | lymphokinetic activities |
| Recognition of antigens by antibodies occurs when an | Antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites |
| The functions of the lymph nodes are | defense and hematopoiesis. |
| The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |
| _____ refers to a phenomenon in which the genetic characteristics common to a particular kind of organism provide defense against certain pathogens. | Species resistance |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocyte. |
| Pyrogen molecules trigger the fever response by promoting the production of | prostaglandins |
| Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called | tonsils |
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