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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Cancer cells are destroyed by NK cells, TC cells, and macrophages.
21. The Immune System
Antigens
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Many phagocytic immune cells such as macrophages and dendritic cells commonly engulf foreign or dangerous materials in the body. If these cells engulf antigens, the cells will present the antigens on their surface. Which immune cells will respond to these “presented” antigens and trigger an immune response if necessary?
A
B cells.
B
Plasma cells.
C
T cells.
D
Monocytes.
Verified step by step guidance1
Understand the role of phagocytic cells: Macrophages and dendritic cells are types of phagocytic cells that engulf foreign materials, including antigens, in the body.
Learn about antigen presentation: After engulfing antigens, these phagocytic cells process and present the antigens on their surface using molecules called Major Histocompatibility Complex (MHC).
Identify the responding immune cells: T cells, specifically helper T cells, are the immune cells that recognize these presented antigens through their T cell receptors.
Explore the activation process: When T cells recognize the presented antigens, they become activated and can trigger an immune response, including the activation of other immune cells like B cells.
Understand the immune response: Activated T cells help coordinate the immune response, leading to the production of antibodies by B cells and other immune activities to eliminate the threat.
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