Which Event Occurs with the Sensitizing Dose of Allergen

question 53

Multiple Choice

Which event occurs with the sensitizing dose of allergen?

• A)degranulation
• B)bonding 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 acting on smooth muscle
• E)prostaglandins causing vasodilation and increased vascular permeability

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Definitions:

Ayrton

Refers to Hertha Ayrton, a British engineer, mathematician, physicist, and inventor, known for her work on electric arcs and ripples in sand and water.

D'Arsonval

Refers to a type of galvanometer used for detecting and measuring small electric currents by the mechanical movement it produces through a magnetic field.

D'Arsonval Meter

A type of ammeter, based on the D'Arsonval galvanometer, used to measure electric current with a moving coil in a magnetic field.

Moving Coil

A type of electromagnetic actuator where a coil within a magnetic field moves when current flows through it, commonly found in loudspeakers and galvanometers.