Hypersensitivity Reactions — Flashcards

Flashcard 1: Which T-helper cells are active against extracellular bacteria and fungi?_____

Answer: Th17

Flashcard 2: Different types of immunodiffusions:_____ diffusion in two dimension - Radial immunodiffusion procedure

Answer: Single

Flashcard 3: An immune ring (Wesseley) may be seen around the fungal  ulcer due to deposition of the _____

Answer: immune complexes

Flashcard 4: Which antibody is mainly responsible for agglutination?_____

Answer: IgM

Flashcard 5: Different types of immunodiffusions:_____ diffusion in two dimension - Ouchterlony procedure

Answer: Double

Flashcard 6: Autoimmunity in HIV and EBV infection is the result of _____clonal B cell activation.

Answer: poly

Flashcard 7: _____ are antigens that cross-link the Vβ region of T-cell receptors to MHC II on APCs outside the normal peptide-binding groove

Answer: Superantigens

Flashcard 8: Mast cells can bind the _____ portion of IgE

Answer: Fc

Flashcard 9: father of immunology is

Answer: Edward Jenner louis pasteur is the father of bacteriology

Extra: 

Flashcard 10: The enzymes responsible for gene recombination in heavy and light chains are encoded by the genes _____ and RAG2

Answer: RAG1