GK
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hay fever
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Enteric fever
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Goitre
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Skin cancer
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Detailed explanation-1: -Allergic rhinitis, also called hay fever, is an allergic reaction that causes sneezing, congestion, itchy nose and sore throat. Pollen, pet dander, mold and insects can lead to hay fever symptoms.
Detailed explanation-2: -These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn’t caused by a virus. Hay fever is caused by an allergic response to a harmless outdoor or indoor substance the body identifies as harmful (allergen).
Detailed explanation-3: -Hay fever is a common allergic condition. It affects up to 1 in 5 people at some point in their life. You’ll experience hay fever symptoms if you have an allergic reaction to pollen. Pollen is a fine powder released by plants as part of their reproductive cycle.
Detailed explanation-4: -Type I: reaction mediated by IgE antibodies. Type II: cytotoxic reaction mediated by IgG or IgM antibodies. Type III: reaction mediated by immune complexes. Type IV: delayed reaction mediated by cellular response.