Components Of Innate Immunity

Question 1

Macrophages

Answer 1

Efficient phagocytosis and killing of microbes, secretion of cytokines that stimulate inflammation

Question 2

NK cells

Answer 2

Lysis of infected cells, activation of macrophages

Question 3

Complement

Answer 3

killing of microbes, opsonization of microbes, activation of leukocytes

Question 4

Mannose-binding lectin (collectin)

Answer 4

Opsonization of microbes, activation of complement (lectin pathway)

Question 5

C-reactive protein (pentraxin)

Answer 5

Opsonization of microbes, activation of complement

Question 6

Neutrophils

Answer 6

Early phagocytosis and killing of microbes