Welcome to your Complement System Test 1
______ is the complex of complement components C5–C9, which mediates cell lysis by creating a membrane pore in the target cell.
Which complement fragment is the most important opsonin enhancing phagocytosis?
______ is a gammaglobulin capable of activating complement and producing haemolytic, bactericidal, and virucidal effects.
Complement activation by the alternate pathway is initiated by:
Classical pathway of the complement system is activated by:
Classical pathway of the complement system is involved in:
Which pathway of complement activation does not require antibody involvement?
One principal function of the complement system is to:
The complement system kills microbes primarily by:
Which of the following is the most direct microbicidal function of the complement system?
Which component of the complement system first binds to antigen–antibody complexes in the classical pathway?
Which complement activation pathway strictly requires antibodies for initiation?
Which pathway of complement activation is initiated by spontaneous hydrolysis of C3?
Which complement protein acts as a positive regulator by stabilizing the alternative pathway C3 convertase?
The classical, lectin, and alternative complement pathways all converge at the activation of:
Which complement components act as anaphylatoxins causing inflammation and mast cell degranulation?
Which complement component is the most powerful chemoattractant for neutrophils?
Which set of complement components forms the Membrane Attack Complex?
Most complement components circulate in plasma as:
