Immunity
Across
- 5. Our skin is part of the ____ line of defense in immunity
- 6. Lymphocytes and Monocytes are ____
- 12. Portions of cells, viruses, and molecules the body recognizes as foreign
- 14. The primary function of B cells is to secrete ___
- 15. The three-dimensional shape of the antigen region that is recognized by the immune system
- 19. Normal microbiota changing pH to favor their own growth is an example of microbial ____
- 20. Clumping of antigen-bound antibodies which slows activity of pathogens and increases chance of phagocytosis
- 21. Signal leukocytes to move to a site of inflammation or infection
- 24. The ____ cascade utilizes proteins, triggers multiple pathways, and results in the lysis of foreign cells
- 25. Proteins released by host cells to nonspecifically inhibit the spread of viral infections
- 28. In phagocytosis, ___ surround the microbe to help internalize it
- 30. An enzyme found in saliva, tears, sweat, etc. that breaks down bacterial cell walls
- 32. The role of histamine in the inflammation process is to cause ___
- 33. Prostaglandins and leukotrienes increase the ____ of vessels
- 34. Chemicals such as lysozyme and toll-like receptors are part of ____ defenses
- 35. ____ immune response is often directed against extracellular pathogens and toxins
- 37. Inflammation is a ____, nonspecific response to tissue damage
- 38. ____ cells are phagocytic cells in the skin and mucous membranes
Down
- 1. ____ acquired active immunity come from vaccines
- 2. The _____ system is made up of vessels, cells, tissues, and organs that are directly involved in adaptive immunity
- 3. The type of cytokines that act as a signal among leukocytes
- 4. The third line of defense if part of ____ immunity
- 7. The inflammation process allows ___ proteins to seep into damaged tissue
- 8. The antibody function that stimulates phagocytosis
- 9. Structures present on microbes that are not found on human cells, recognized by toll-like receptors
- 10. ____ membranes are part of first line of defense
- 11. The first line of defense in immunity utilizes _____ barriers
- 13. The term for all white blood cells
- 16. B lymphocytes mature in the red bone marrow while T lymphocytes mature in the ___
- 17. Naturally acquired ____ immunity occurs in a fetus or newborn from antibodies being passed through the placenta or in breast milk
- 18. The second line of defense is part of ____ immunity
- 22. In _____ immune response, T cells act against intracellular pathogens
- 23. A small percentage of B cells become ____ B cells which are long-lived and complementary to the specific antigen that triggered their production
- 26. Fevers enhance _____ effect and inhibit some microbial growth
- 27. Immune cells that treat ___ as foreign are normally eliminated during immune system development
- 29. Basophils, Eosinophils, and Neutrophils are all ____
- 31. A _____ white blood count can help show signs of disease
- 33. Iron-binding proteins in ____ can sequester iron to prevent invading pathogens from using it
- 36. A fever is caused by _____ triggering the hypothalamus to reset at a higher temperature