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Unformatted text preview: 16. What is and LD50? 17. What virulence factor is associated with Strep pneumoniae? 18. How does an exotoxin differ from and endotoxin? Give examples of both. 19. What is the function of hyaluronidase and coagulase? 20. What are the three types of hemolysins? What do they do? Name and organism which is beta hemolytic? 21. How do the toxins associated with the following bacteria function? C. diptheriae, C. botulinum, C. tetani, V. cholera. What is the gram reaction and morphology of each of these organisms? 22. What is a superantigen? Name an organism associated with superantigens and the disease it results in. 23. What is an enterotoxin? 24. What test is used to test for endotoxins? Why would endotoxins potentially be present in a sterile solution? 25. What factors influence whether or not a host may become immunocompromised? 26. What are the natural defense mechanisms?...
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- Spring '11