The function of IgE is
mediate in allergic response
activation of B- cells
protection from inhaled and ingested pathogens
stimulation of complement system, passive immunity to focus
What is the name of complex formed at the time of action of T- cells?
HLA
STD antigen complex
HLA antigen complex
MHC antigen complex
AIDS virus is also known as
HIV
HTLV - III
LAV
All of these
Antigen binding site in an antibody is found between
two light chains
two heavy chains
one heavy and one light chain
either between two light chains or between one heavy and one light chain depending upon the nature of antigen.
The letter T in T- lymphocyte refers to
Thyroid
Thalamus
Tonsil
Thymus
During an allergic reaction, the binding of antigens to IgE antibodies initiates a response, in which chemicals cause the dilation of blood vessels and a host of other physiological changes. Such chemicals are called
interferons
hormones
histamines
acetylamine
Which of the following is released to humoral immunity?
T- lymphocyte
B- lmphocyte
I- lymphocyte
P- lymphocyte
Which of the following is STD?
Cancer
Malaria
Pneumonia
Trichooniasis
The polypeptide chains present in gamma immunoglobulin are
2
4
6
8
In the immune system, interferons are a part of
physiological barriers
cellular barriers
physical barriers
cytokine barriers