PATHOLOGY

PATHOLOGY MCQ

LYMPHO RETICULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Antibodies do all of the following except:
A
Form blood clots
B
Send chemical signals
C
Block receptor sites
D
Form clumps of antigens
Explanation: 

Detailed explanation-1: -Antibodies target and bind to specific antigens. For instance, anti-A antibodies target and bind to type A antigens. When the antibodies bind to these antigens, they clump red blood cells together. This clumping of cells is referred to as agglutination.

Detailed explanation-2: -Activation of complement. Binding Fc receptors. 3.1 Opsonization promotes phagocytosis. 3.2 Mediated allergic reactions. 3.3 Antibody-dependent cellular cytotoxicity, ADCC effect. Through the placenta. Immune regulation.

There is 1 question to complete.