GENERAL HISTOLOGY

LYMPHATIC

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Complement fixation brings about the destruction of bacteria by
A
Osmosis
B
Lysis
C
Enzyme Inactivation
D
Blocking ATP Synthesis
Explanation: 

Detailed explanation-1: -Complement fixation systems take advantage of the fact that complement proteins bind, or “fix, ” to antigen-antibody complexes during the host immune response to a foreign antigen. If this antigen is cell localized, then the deposition of complement elements will cause cell lysis.

Detailed explanation-2: -The complement system consists of a tightly regulated network of proteins that play an important role in host defense and inflammation. Complement activation results in opsonization of pathogens and their removal by phagocytes, as well as cell lysis.

Detailed explanation-3: -The complement fixation test (CFT) is a classical laboratory diagnostic test, which is still used for determination of virus antibodies in patient sera or cerebrospinal fluid samples during an acute infection. The test mainly measures IgG antibodies.

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