VASCULAR
THE NEPHRON
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the role of histamines in the immune response?
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To engulf and destroy foreign particles.
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To increase blood flow to the area, causing inflammation.
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To activate B and T lymphocytes
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To recognise pathogen antigens
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Explanation:
Detailed explanation-1: -When they leave the mast cells, histamines boost blood flow in the area of your body the allergen affected. This causes inflammation, which lets other chemicals from your immune system step in to do repair work.
Detailed explanation-2: -Histamine is released by mast cells and they act as an allergy-mediator which causes the dilation of the blood vessels. The drugs which reduce the symptoms of allergy are Antihistamine steroids and adrenaline.
Detailed explanation-3: -Histamine plays a monumental role in the early acute inflammatory response. Histamine is stored in the granules of mast cells, basophils and platelets. If the person is exposed to an allergen, the histamine is released which causes inflammation.
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