Human Health and Diseases Question 86
86. Hypersensitivity to an allergen is associated with
[1996]
(a) aberrant functioning of the immune mechanism
(b) increase in ambient temperature
(c) age of the individual
(d) food habits
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Answer : a
Hints & Solutions
(a) Allergy means all kinds of unwanted reactions manifested in the body due to hypersensitivity of substances called allergens. Allergy reactions occur due to liberation of histamine by tissue cells.
