Advertisements
Advertisements
Question
Define the term “allergy”.
Solution
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment that usually causes no adverse effects to most people. These diseases include hay fever, dermatitis, asthma, food allergies, etc.
APPEARS IN
RELATED QUESTIONS
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 |
What are allergens?
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 ______.
The antigen-binding site in an antibody is found between ______
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.
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.
