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प्रश्न
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.
उत्तर
Allergy is the exaggerated response of the immune system to certain antigens present in the environment. In metropolitan cities, lifestyle is responsible in lowering of immunity and sensitivity to allergens. More polluted environment increases the chances of allergy in children. Some symptoms of allergic reactions are sneezing, watery eyes, running nose and difficulty in breathing.
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संबंधित प्रश्न
Define the term “allergy”.
Match the items given under column I with those given under column II.
| Column A | Column B | ||
| 1 | Dust allergy | a. | Nuts |
| 2 | food allergy | b. | Pollen |
| 3 | Seasonal allergy | c. | Asthma |
Define the term “allergy”.
Asthma may be attributed to:
Increased asthmatic attacks in certain seasons are related to:
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?
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.
A boy developed some allergic reactions when he straight entered into his air conditioned room after a game of football outside his house. Write any two symptoms that could be noticed in such condition. How does our body combat such conditions?
