Intro to Immunology

Question 1

What are the five roles of the immune system?

Answer 1

Kill/control pathogens, control disease, repair tissue, organ development, maintain organ integrity/function

Question 2

What are three direct mechanisms of tissue damage by pathogens?

Answer 2

Exotoxins, endotoxins, and direct cytopathic effects

Question 3

What are three indirect mechanisms of tissue damage by pathogens?

Answer 3

immune complexes, anti-host antibody, and cell-mediated immunity

Question 4

Name 4 challenges presented when trying to fight pathogens?

Answer 4

form diversity; life cycle diversity; diverse routes of infection; dealing with multiple attacks across a broad domain

Question 5

List four characteristics of the innate immune system.

Answer 5

responds within hours, fixed response, limited number of specificities, and is constant during the response

Question 6

List four characteristics of the adaptive immune system.

Answer 6

Responds within days to weeks, has variable responses, highly selective specificities, more responses will elicit bigger responses