Basic Concepts of Immunity
Basic Concepts of Immunity: Overview
This topic covers concepts such as Immunity, First Line of Defence, Second Line of Defence, Complement System, Antigen, Antibody, Cells of Immune System, T-lymphocytes, B-lymphocytes, Immune System in the Body, Primary Lymphoid Organs, etc.
Important Questions on Basic Concepts of Immunity
Write the names of any four mononuclear phagocytes.
Write short notes on immunoglobulins.
MHC molecules present antigenic polypeptides to T-cells by binding to their specific sites called _____ (APC/ASR).
Class II MHC present antigens to the TH cells for the cell mediated or humoral immunity.
Select all that is correct for the MHC molecules in the human beings.
Write the purpose of the presence of epitope on the antigens.
The site present on an antigen that binds to the specific site of antibody is called _____ (paratope/epitope).
Antigens are processed to form antigenic determinants named epitopes in the human body, presented by MHC molecules.
Interferons are mainly of two types: beta and gamma.
MALT constitutes below part of the lymphoid tissues in the human body:
Lymphoid tissues lining the respiratory and urino-genital tracts are known as MALT.
Write two main functions of the lymph node.
What is lymph node? Where are they found in human body?
Bone marrow is the site of production and maturation of B lymphocytes.
What is a primary lymphoid organ? Give examples.
Natural killer cells are large granular cells, always active in our body, and protect from the virus-infected cells.
What are the two main functions of the TH cells?
Distinguish between CD4+ and CD8+ cells.
