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प्रश्न
Many people experience allergic symptoms of sneezing or wheezing on exposure to certain substances in the environment. Give two examples of such substances. Which type of antibodies are produced by the body in response to these substances? Mention the role of mast cells in this kind of allergic response.
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उत्तर
The exaggerated response of the immune system to certain antigens present in the environment is called allergy. The antibodies produced to these are of IgE type. Common examples of allergens are mites in dust, pollens, animal dander, etc. Allergy is due to the release of chemicals like histamine and serotonin from the mast cells.
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संबंधित प्रश्न
Define the term “allergy”.
For a person who has an allergy, the type of antibody produced in his body is ______.
Inflammatory responses in allergy are caused by the release of one of the following by mast cells:
In the metropolitan cities of India, many children are suffering from allergy/asthma. What are the main causes of this problem. Give some symptoms of allergic reactions.
Which type of antibody is produced during an allergic immune response?
How many types of histamine receptors are present in the body?
Where are H1 receptors mainly located in the body?
Which drug acts by blocking the action of histamine in circulation?
What facial changes can occur during anaphylactic shock?
Which of the following statements about IgE antibodies is correct?
