Bacterial Virulence and Gene Expression Regulation Quiz PDF

12/7/23, 4:43 PM Bacterial Virulence and Gene Expression Regulation Quiz Bacterial Virulence and Gene Expression Regulation Quiz Your Name: 1. Explain the role of effector proteins in the pathogenesis of Salmonella infection. 2. What are some examples of cellular structures that assist Salmonella...

12/7/23, 4:43 PM Bacterial Virulence and Gene Expression Regulation Quiz Bacterial Virulence and Gene Expression Regulation Quiz Your Name: 1. Explain the role of effector proteins in the pathogenesis of Salmonella infection. 2. What are some examples of cellular structures that assist Salmonella in persistence and adhesion? 3. Distinguish between Typhoidal and Non-Typhoidal Salmonella. 4. Describe the effector mechanisms of Salmonella that lead to Typhoid fever. 5. What are pathogenicity islands and what is their significance in the context of microbial pathogenesis? 6. How does Salmonella evade destruction through the immune system? 7. Explain the impact of Typhoidal Salmonella on the host and the mechanisms by which it causes illness. 8. What are some examples of virulence factors involved in Salmonella pathogenesis? 9. What are the distinct roles of Salmonella Pathogenicity Islands (SPI) 1, 2, and 5 in the invasion and survival of Salmonella within host cells? 10. Which master regulator is associated with the regulation of SPI-1? 11. What is the role of SPI-2 and which master regulator regulates it? 12. How does heat stress impact the expression of SsrB and SPI-2 genes in Salmonella? 13. What are the distinct roles of different types of secretion systems (Type II, III, IV) in bacterial virulence? 14. What is the function of bacterial capsules and pili in relation to bacterial virulence? 15. What are the differences between endotoxins and exotoxins in terms of their release and effects? 16. Provide an example of an exotoxin and its subunit composition. 17. What are the immune evasion strategies employed by prokaryotes and protozoans? 18. How does viral latency contribute to the pathogenesis of infection, and provide an example of a virus that establishes latency in nerve cells. 19. Which type of Salmonella Pathogenicity Island (SPI) is associated with the invasion of host cells? A. SPI-3 B. SPI-1 C. SPI-4 D. SPI-2 https://quizgecko.com/quiz/267150/print 1/2 12/7/23, 4:43 PM Bacterial Virulence and Gene Expression Regulation Quiz 20. What is the impact of heat stress on Salmonella virulence? A. Activates SPI-1 genes B. Triggers capsule formation C. Increases expression of SsrB and SPI-2 genes D. Decreases expression of SsrB and SPI-2 genes 21. What is the role of bacterial capsules in relation to immune detection and persistence? A. Act as toxins B. Promote immune response C. Aid in persistence and evasion of immune detection D. Enhance bacterial replication https://quizgecko.com/quiz/267150/print 2/2