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#hypersensitivity reactions

3 public questions tagged with this topic.

Which type of hypersensitivity reaction involves IgE antibodies and mast lls?

Type I hypersensitivity reactions, such as allergies, involve IgE antibodies binding to mast lls, leading to histamine release. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.

Which type of hypersensitivity reaction is responsible for anaphylaxis?

Type I hypersensitivity reactions, mediated by IgE, lead to anaphylaxis, which is a severe allergic reaction. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.