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Question

Roy had visited a garden consisting of nearly 400 types of flowering plants. However, the moment he reached this garden of flowers, he began showing acute manifestation of pollen allergy.

On the basis of the above scenario, complete the statement by filling in the blanks.

___A____ is released from the mast cells in allergic reaction and ___B___ immunoglobulin is responsible for the allergic and hypersensitivity reaction.


A
A – Interferons, B – IgA
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B
A – Histamines, B – IgE
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C
A – Prostaglandins, B – IgA
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D
A – Histamines, B – IgM
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Solution

The correct option is B A – Histamines, B – IgE

The above scenario clearly explains the condition of pollen allergy. This allergy is the exaggerated response of the immune system wherein in the presence of allergens mast cells begins releasing histamines and cytokines which help to control the ill-effects of the allergens like pollens, dust, animal dander, food items, mites and medicines.

During this process, IgE immunoglobulins are also released thus triggering the hypersensitivity reaction.


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