Which Event Releases the Chemical Mediators

question 29

Multiple Choice

Which event releases the chemical mediators?

• A)degranulation
• B)binding of allergen to adjacent IgE binding sites on mast cells and basophils
• C)binding of IgE by the Fc region to mast cells and basophils
• D)Histamine acts on smooth muscle.
• E)Prostaglandins cause vasodilation and increased vascular permeability.

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Definitions:

Random Coil

A polymers' configuration in solution where it adopts an erratic, non-ordered shape due to the random distribution of the torsion angles along its chain.

Creutzfeldt-Jakob Disease

A rare, degenerative, and invariably fatal brain disorder that belongs to a group of conditions known as prion diseases.

Misfolding

A process where proteins fail to assume their functional three-dimensional structure.

Polymerization

A chemical process that combines many small molecules into a larger molecule, forming a polymer.