3 what is the normal function of m cells 4 what are

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3. What is the normal function of M cells? 4. What are the two primary invasive enteric pathogens we discussed? 5. How do their mechanisms of invasion of enterocytes differ? How are they similar? 6. What is the significance of the acid--resistance of Shigella ? 7. What are the clinical manifestations of a Shigella infection? 8. Are antibiotics given? Are they necessary and why? 9. What are the general characteristics of Salmonella ? 10. What is the difference in the typhimurium and typhi strains? 11. Describe the pathogenesis of typhoid fever. 12. Is the gastroenteritis caused by Salmonella infection typically treated with antibiotics? Why? What about typhoid fever? 13. The organism that causes typhoid fever is a strictly human pathogen with no animal reservoir has is it maintained in populations (even when there is no apparent outbreak)? 14. What is the morphology of Staphylococci? 15. What are pyogenic bacteria? 16. How is the presence of protein A on the bacterial surface protective against host immune defenses? What about the expression of coagulase? 17. What toxins are produced by S. aureus ? Are they endo or exo-- toxins? 18. How do superantigens cause disease? 19. What is SSSS and TSST? Who are the likely suffers and why?
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Lecture 6 Guide 1. What are three general types of disease caused by infection with Group A Strep?
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