Innate immunity mechanisms

Question 1

Physical barrier

Answer 1

Things built into us that keep hazardous materials outisde the body.

Skin, skin oils, cillary lining, LOW ph in tummy, tears, saliva

Question 2

Phagocytes

Answer 2

microphages (neutrophils and eosiophils) and macrophages (monocytes) thats attack pathogens and remove them

Question 3

Immunological surveillance

Answer 3

-our body is constantly monitoring normal tissues for presense of cancer cells or viral infections

-NK cells are activated to identify pathogen and act to destroy them

Question 4

inferons

Answer 4

Chemical messengers (cytokines) trigger production of antiviral proteins which will interfere with viral replication inside cell

-does NOT destroy viruses

Question 5

Complement system

Answer 5

a series of circulation proteins that assist antibodies with destruction of pathogens

Question 6

How many circulatory proteins do we have that are apart of the complement system?

Answer 6

ELEVEN!!

Question 7

Inflammatory response

Answer 7

• A LOCAL response that is tissue level

-limits spread of infection and facilitates repair of damgaed cells

-release of histamine to increase temp

Question 8

Fever

Answer 8

-A SYSTEMIC response that increases metabolism, accelerates pathogen defense, and inhibits some pathogens