Multiple Choice
Why doesn't interferon prevent all cells from being infected with viruses?
A) because interferon is effective against bacterial infections only
B) because interferon is only released from cells that are already infected
C) because interferon has no memory capability
D) because interferon is produced by macrophages,which arrive after an infection has occurred
E) Both because interferon is only released from cells that are already infected and because interferon has no memory capability are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q55: Nonmotile cells in connective tissue that release
Q56: "The tonsils" are best known as<br>A)the thoracic
Q57: Chemical mediators of inflammation can produce<br>A)vasodilation.<br>B)chemotaxtic attraction
Q58: All the innate immunity mechanisms below are
Q59: Macrophages<br>A)are monocytes that leave the blood and
Q61: Chemical mediators of inflammation include all of
Q62: Why does an allergy to plant pollen
Q63: Concerning activation of lymphocytes,<br>A)lymphocytes must be activated
Q64: Functions of lymph nodes include<br>A)suppressing the immune
Q65: Antibody-mediated immunity is effective against<br>A)bacteria.<br>B)viruses.<br>C)toxins.<br>D)extracellular antigens.<br>E)All of