Multiple Choice
Select the incorrect statement regarding the complement system in vertebrates.
A) The complement system is a part of the cellular defenses in the immune system of vertebrates.
B) The complement system consists of approximately 20 different proteins that circulate in the plasma.
C) If these proteins encounter the cell wall of a bacteria or fungi they form aggregations and eventually produce a pore that leads to the destruction of the invading cells.
D) Although these proteins attack invaders,they are not involved with histamine release.
E) The binding of antibodies to invading cells can also trigger aggregations.
Correct Answer:

Verified
Correct Answer:
Verified
Q59: _ are macrophage precursor cells.<br>A)B cells<br>B)Macrophages<br>C)Plasma cells<br>D)T
Q60: _ are the source of antibody-producing cells.<br>A)B
Q61: _ are phagocytes that circulate in the
Q62: A lymphocyte that has never encountered an
Q63: Select the incorrect statement regarding the inflammatory
Q65: _ are molecules released by activated helper
Q66: Which of the following does not cause
Q67: Antigen shifting allows the pathogens to escape
Q68: Which of the following would not occur
Q69: The ability to digest foreign invading cells