Multiple Choice
Complement
A) causes lysis of gram-positive cells and has no effect on gram-negative cells
B) causes lysis of gram-negative cells and has no effect on gram-positive cells
C) causes lysis of gram-positive cells and increases the amount of phagocytosis of gram-negative cells
D) causes lysis of gram-negative cells and increases the amount of phagocytosis of gram-positive cells
Correct Answer:

Verified
Correct Answer:
Verified
Q24: Complement proteins are synthesized by<br>A)the liver<br>B)monocytes<br>C)macrophages<br>D)epithelial cells<br>E)All
Q25: Which pathway(s) can act as a powerful
Q26: Anaphylatoxins include<br>A)C5a<br>B)C4a<br>C)C3a<br>D)C5a and C4a<br>E)all of the above
Q27: The difference in the three pathways is
Q28: Amplification steps in the complement pathways occur<br>A)in
Q29: Complement<br>A)aids in immune complex clearance<br>B)interacts with the
Q30: Collectin is<br>A)another name for the mannose-binding lectin<br>B)a
Q32: Sometimes a microorganism can directly activate complement
Q33: MBL binds<br>A)mannose and MASP-2 become associated and
Q34: Which of the following is an active