Understanding Allergic Reactions

What is the primary example of an allergy discussed in the video?

• Food allergy

• Dust allergy

• Pollen or hay fever

• Animal allergy

What type of antibodies are produced in response to allergens?

• IgA

• IgM

• IgE

• IgG

What substance is released by mast cells that causes allergy symptoms?

• Serotonin

• Adrenaline

• Dopamine

• Histamine

Which receptors does histamine bind to in order to trigger an immune response?

• C1 to C4

• B1 to B4

• A1 to A4

• H1 to H4

How do antihistamines help in treating allergies?

• They destroy allergens

• They prevent the production of antibodies

• They block histamine from binding to receptors

• They increase the immune response