Question

2. Answer the following questions :
(a) Give five examples of allergens.
(b) How do allergens enter human body?
(0) Fplain scratch test.
(d) What are antihistamine? Give its role in allergic reactions?
(0) Explain the mechanism of an allergic reaction.
(1) Give three symptoms which are shown by the people suffering from asthma.
(8) List six symptoms of allergy,
(h) Write in brief about eczema,
(i) How can you treat asthma?
c) How does the general cleanliness of the surroundings help in preventing allergies?
Explain​

Answer 1

Answer:

ans a-These include peanuts, tree nuts, eggs, milk, shellfish, fish, wheat and their derivatives, and soy and their derivatives, as well as sulfites (chemical-based, often found in flavors and colors in foods) at 10ppm and over.

ANS B-Allergens enter the body through four main routes: the airways, the skin, the gastrointestinal tract, and the circulatory system. Airborne allergens cause the sneezing, runny nose, and itchy, bloodshot eyes of allergic rhinitis (hay fever). ... The most common airborne allergens are the following: plant pollens.