A) infectious and increases secretion of IgE
B) non infectious and increases secretions of IgE
C) infectious and increases secretion of IgG
D) noninfectious and increases secretion IgM
Correct Answer: B
Solution :
Allergenes are non-infectious foreign substances that cause allergic reaction. Allergy is che hyper-sensitiveness of a person to some foreign substance coming in contact with or entering the body. The common allergenes are dust, pollen mould spores, fabrics, lipsticks nailpaints, fur, heat bacteria etc. Allergy involves mainly the secretion of IgE antibodies and histamine. The allergy causes marked dilation of all the peripheral blood vessels.
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