Test 4 Chapter 16

Question 1

gama-IFN

Answer 1

Causes neutrophils and macrophages to phagocytize bacteria

Question 2

Interferon

Answer 2

Anitviral proteins produced by lymphocytes and macrophages. NOT virus specific

Question 3

What are the 3 pathways to activating a complement?

Answer 3

1.Classical 2. Alternative 3. Lectin

Question 4

Describe how the classical pathway is activated

Answer 4

by the presence of antibodies

Question 5

Describe how the alternative pathway is activated

Answer 5

Activated by certain complement proteins and a pathogen

Question 6

Describe how the Lectin pathway is activated

Answer 6

By Lectins binding in the bacterial cell wall and in some viruses

Question 7

What are the 3 consequences of complement activation?

Answer 7

1. Opsonization 2.Inflammation 3. Cytolosis

Question 8

alpha and beta IFN’s

Answer 8

cause cells to produce antiviral proteins that inhibit viral replication