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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.
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”.
What are allergens?
Name any three allergens.
Define the term “allergy”.
Write short (1-2 sentences) note on the following:
Allergy
Asthma may be attributed to:
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:
Compare the life style of people living in the urban areas with those of rural areas and briefly describe how the life style affects their health.
During a field trip, one of your friend in the group suddenly became unwell, she started sneezing and had trouble in breathing. Name and explain the term associated with such sudden responses. What would the doctor recommend for relief?
