Which of the following cells are activated in response to interferons or macrophage-drived cytokinesis?
a) natural killer cells
b) monocytes
c) neutrophils
d) leukocytes
The compliment system includes……….which carry antibodies.
a) proteins
b) WBCs
c) RBCs
d) proteins and WBCs
Complement system and interferons are the part of ……..line of defense.
a) first
b) third
c) second
d) specific
Interferons are a group of natural proteins that are produced by human cells in response to…infection and other stimuli.
a) bacterial
b) viral
c) fungal
d) parasitic t
Interferons are antiviral proteins produced by……
a) first host cell killed by the virus
b) monocytes
c) other cells of the host cells
d) leukocytes
There are ……..types of interferons.
a) two
b) three
c) four
d) five
Explanation: Interferons beta, alpha and gamma
