The major histocompatibility complex is a :
1. series of complement-enhanced reactions to antigens
2. group of antigens, coded by a family of genes, on the surface of body cells
3. form of autoimmunity
4. the major cause of cancer
Which human worm infestation are we talking about?
I. In socio-economic impact on the human race, it is second only to Malaria.
II. The worm larva enters the human body by penetrating the skin
III. The worm requires snails as an intermediate host.
IV. In developing countries, it is a common cause of anaemia in children.
Malignant tertain malaria is caused by Plasmodium :
The pathogens responsible for causing elephantiasis are transmitted to a healthy person through:
2. Female mosquito vector
3. Contaminated food and water
4. Sexual contact
Interferons are secreted by:
3. Virus infected cells
The type of immunity responsible for graft rejection by a recipient body is
1. Innate immunity
2. Humoral immunity
3. Cell mediated immunity
4. Either 2 or 3
Which of the following is used in the production of the recombinant Hepatitits B vaccine?
3. E coli
The class of antibodies involved in the allergic reaction is:
1. Ig A
2. Ig D
3. Ig E
4. Ig G
The immune-deficiency becomes marked once the HIV starts destroying
2. T helper cells
3. B lymphocytes
4. Natural killer cells
The cells of the malignant tumors exhibit
2. Contact inhibition
3. High differentiation
4. Slow proliferation