IMMUNOLOGY

HYPERSENSITIVITY

CLASSICAL ALTERNATE AND LECTIN PATHWAYS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Immune mediator of food allergy:
A
IgM
B
IgE
C
IgG
D
IgD
Explanation: 

Detailed explanation-1: -IgE-mediated food allergies cause your child’s immune system to react abnormally when exposed to one or more specific foods such as milk, egg, wheat or nuts. Children with this type of food allergy will react quickly-within a few minutes to a few hours.

Detailed explanation-2: -The most common type of food allergy is mediated by allergen-specific immunoglobulin E (IgE) antibodies. IgE-mediated reactions are known as immediate hypersensitivity reactions because symptoms occur within minutes to a few hours after ingestion of the offending food.

Detailed explanation-3: -Non-IgE-mediated food allergies are characterized by subacute or chronic symptoms, whereas IgE-mediated food allergies are characterized by the rapid onset of symptoms following ingestion (eg, anaphylaxis).

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