Chapter 21


B) antigen binding and co-stimulation

B) opsonization

Interferons ________.
A) act by increasing the rate of cell division
B) are virus-specific, so that an interferon produced against one virus could not protect cells against another virus
C) interfere with viral replication within cells
D) are routinely us

C) interfere with viral replication within cells

Fever ________.
A) decreases the metabolic rate of the body to conserve energy
B) causes the liver to release large amounts of iron, which seems to inhibit bacterial replication
C) is a higher-than-normal body temperature that is always dangerous
D) produ

D) production is regulated by chemicals that reset the body's thermostat to a higher setting

C) is the ability of individual cells to recognize a specific antigen by binding to it

E) IgG

C) antigen