1 The net formed in NETosis of neutrophils is composed mainl

1. The net formed in NETosis of neutrophils is composed mainly of ____.

a. proteins

b. DNA

c. RNA

d. polysaccharides

e. lipids

2. Which of the following binds to C3b that has bound to a host cell surface?

a. Factor B

b. Factor D

c. Factor H

d. Factor I

e. None of the above

3. Which of the following is a serine protease that cleaves C4 into C4b and C4a, and C2 into C2a and C2b?

a. activated C1r and MASP-1

b. activated C1s and C1r

c. activated C1r and MASP-2

d. activated C1s and MASP-2

e. activated C1s and MASP-1

1. (b) DNA from neutrophils that binds to the pathogens.

2. (c) Factor H, binds to C3b when it is on the host cell.

3. (d) activated C1s and MASP-2 serine protease