Immunology

Which of the following is/are NOT associated with immediate hypersensitivity? The correct answers are highlighted below Hay fever Serum sickness Arthus reaction Anaphylactic shock Tuberculin reaction Feedback The tuberculin reaction is a type of delayed hypersensitivity reaction that appears 48-72 hours after antigen exposure, which is different from an immediate hypersensitivity response, which generally appears within 12 minutes of an antigen challenge. Arthus reactions and serum sickness are classified as a Type III hypersensitivty reactions involving the formation of immune complexes. The other choices above are all associated with immediate hypersensitivity reactions.

Serum sickness Arthus reaction Tuberculin reaction