University of Texas, Brownsville - CLSC 2429 Chapter 16

University of Texas, Brownsville - CLSC 2429

Chapter 16.

1)Why is Koch’s Postulate No. 3 not applicable when a disease only affects humans and not animals?

2.         What does the suffix –emia mean?

3.         What is the difference between colonization and infection?

4.         Between signs and symptoms, which one can be measured?

5.         Name 4 diseases in which the causative agent becomes latent.

6.         What is symbiosis? Is this a more or less permanent relationship?

7.         What is a more modern equivalent to Koch’s Postulates?

8.         What is the interaction of all organisms within a biological community with their environment called?

9.         A parasitic organism growing in or on a host is considered to be an            (mutualism, colonization, infection)

10.       Name 4 general patterns that describe the mechanisms of pathogensis.

11.       Name three mechanisms by which pathogens avoid host defenses.

12.       Name three ways the host can be damaged through pathogenesis.

13.       An exotoxin is a           . (protein, lipid, etc.)

14.       Are both Gram negative and Gram positive bacteria capable of producing exotoxins?

15. How do viruses avoid the antiviral effects of interferons?

16.       Name three ways viruses use antibodies to their advantage.