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Physiology Practice Test: The Immune System
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Avg score: 83% • Most missed: “In humans, the major histocompatibility (MHC) molecule is known as the ________.”
Physiology Practice Test: The Immune System
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25 Questions

1. People who have type AB blood are considered ________ because they ________.
2. What are different recognition sites on the same antigen called?
3. In the process of agglutination, IgD antibodies ________.
4. Mucus secreted by mucous membranes provides protection against infections by ________.
5. Sebaceous and sweat glands can act as a first line of defense because their secretions are acidic.
6. Cytotoxic T cells can mount an immune response more quickly than natural killer cells.
7. Eosinophils are phagocytes that also attack parasites.
8. Peyerʹs patches are peripheral lymphoid tissue located where?
9. When a B cell contacts a foreign or abnormal antigen, it develops into a ________ that releases ________.
10. Polysaccharides on bacterial cells stimulate the production of antibodies by binding to ________.
11. The increase in blood flow to a site of infection acts to ________.
12. Cell-mediated immunity involves the actions of the B cells, whereas humoral immunity involves the actions of T cells.
13. The antigen-binding region of an antibody is formed by the ________.
14. What type of gland secretes an acidic oily substance that inhibits bacterial growth?
15. The most acute allergic response is anaphylactic shock, which can be deadly due to the histamine-induced ________.
16. Leukocyte movement from blood to the site of tissue damage or infection involves ________, leukocyte movement toward the blood vessel wall; ________, the movement of leukocytes between endothelial cells of the blood vessel; and ________, the movement within the tissue to the site of injury.
17. The incorporation of perforins into the cell membrane results in the cellʹs ________.
18. What type of phagocytic cell has long processes?
19. At the site of infection, leukocytes are stimulated to express ________, which causes them to attach to the endothelial cells before moving into the vessel wall.
20. In order to be detected by a T cell, the class I major histocompatibility (MHC) molecule of infected cells must go through the process of ________.
21. Tissue transplantation has been made possible by our ability to ________.
22. What cells are also called CD4 cells?
23. Interferons α and β are released from ________ and act to inhibit viral replication by ________.
24. B cells are tested for their ability to bind to self in the ________ and are removed by ________ if they do bind to self.
25. Which of the following interleukins (IL) is NOT targeted to B cells?

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