Secondary defenses

Question 1

Interferons (IFNs) function

Answer 1

Protect uninfected host cells from viral infection

Question 2

Complement system causes what? What does it promote and what does it contribute to?

Answer 2

Causes cytolysis of microbes; promotes
phagocytosis; contributes to inflammation

Question 3

Iron-binding proteins function

Answer 3

Inhibit growth of certain bacteria by reducing
amount of available iron

Question 4

Antimicrobial proteins (AMPs) contributed to Broad spectrum and attracts

Answer 4

-broad-spectrum antimicrobial activities

-attract dendritic cells and mast cells

Question 5

Natural killer (NK) cells function

Answer 5

Kill infected target cells by releasing granules that
contain perforin and granzymes; phagocytes then
kill released microbes

Question 6

Phagocytes function

Answer 6

Ingest foreign particulate matter

Question 7

Inflammation function

Answer 7

Confines and destroys microbes; initiates tissue
repair

Question 8

What does fever intensify? What does it inhibit? What does it speed up and what does this do?

Answer 8

Intensifies effects of interferons;

-inhibits growth of
some microbes

-speeds up body reactions that aid
repair