intro to immunity and overview of epithelial surfaces

Question 1

what are examples of anatomic barriers to pathogens?

Answer 1

skin
oral mucosa
respiratory epithelia
intestine

Question 2

what are examples of complement/ antimicrobial proteins?

Answer 2

C3
defensins
Reg III gamma

Question 3

what are examples of innate immune cells?

Answer 3

macrophages
granulocytes
natural killer cells

Question 4

what are examples of adaptive immunity cells?

Answer 4

B cells / antibodies

T cells

Question 5

what are the 3 phases of the immune respone?

Answer 5

1. innate immune response
2. adaptive immune response
3. immunological memory

Question 6

what does the innate immune response phase involve?

Answer 6

inflammation
complement activation
phagocytosis and destruction of pathogens

Question 7

how long after infection does it take for the innate response phase to occur?

Answer 7

minutes

Question 8

how long does the innate immune response phase last?

Answer 8

for days

Question 9

how long after infection does it take for the adaptive immune response to occur?

Answer 9

hours or days

Question 10

how long does the adaptive immune response last?

Answer 10

days to weeks

Question 11

how long after infection does it take for immunological memory to occur?

Answer 11

days to weeks

Question 12

how long does immunological memory last?

Answer 12

can be lifelong

Question 13

what chemical defences does skin epithelia posses?

Answer 13

fatty acids
beta defensins
lamellar bodies
cathelicidin

Question 14

what chemical defences does gut epithelia posses?

Answer 14

alpha defensins

cathelicidin