A person likely to develop tetanus is immunized by administering
dead germs
preformed antibodies
wide spectrum antibiotics
weakened germs
The polypeptide chains present in gamma immunoglobulin are
2
4
6
8
Which of the following is correct for immuno- modulators?
They always suppress immune system
They never suppress immune system
They always stimulate immune system
Specific immuno- modulators stimulate the immuno- response of immune system, whereas some other immuno- modulators inhibit it.
How many variable segments are present in the basic structure of antibody molecules?
One
Two
Three
Four
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 letter T in T- lymphocyte refers to
Thyroid
Thalamus
Tonsil
Thymus
The immunoglobulin abundant in colostrum is
IgG
IgM
IgD
IgA
Globulins contained in human blood plasma are primarily involved in
defence mechanisms of body
osmotic balance of body fluids
oxygen transport in the blood
clotting of blood