IMMUNOLOGY

HYPERSENSITIVITY

CLASSICAL ALTERNATE AND LECTIN PATHWAYS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which type of immunity is responsible for type I hypersensitivity reactions?

A	innate
B	adaptive
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Type I hypersensitivity is also known as an immediate reaction and involves immunoglobulin E (IgE) mediated release of antibodies against the soluble antigen.

Detailed explanation-2: -Both the innate and adaptive immune systems play a role in allergy, which occurs as a result of sensitisation to harmless substances in the environmental (e.g. dust and pollen), and hypersensitive reactions upon subsequent exposure to these particles.

Detailed explanation-3: -A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types, depending on the class of substance that triggers it. An antigen or allergen can refer to a toxic or foreign substance that causes an immune reaction.

There is 1 question to complete.