Type 1 Allergic Reactions Flashcards
Type 1 allergic responses are known as _
Immediate allergic responses
Allergy to peanuts can lead to _
Anaphylactic shock
Hay fever is allergic reaction to _
Pollen grains
Hay fever is most common example of a type 1, _ allergy
Atopic
_ are a common allergy
Feces of the house dust mite
Feces of the house dust mite lives in (3)
Bedding
Carpet
Furniture
Type 1 hypersensitivity is an immediate response, beginning within _
Seconds of exposure
Most common examples of type 1 are hay fever, _ and _
Eczema
Extrinsic asthma
10 percent of population have tendency to develop such a reaction called _
Atopy
Upon encountering allergen, body produces class of antibody molecules called _
IgE
IgE bind to _
Mast cells
Mast cells are especially prevalent in (3)
Skin
Respiratory passages
GI tract
IgE binding to mast cells cause release of a number of inflammatory chemicals, including _
Histamine
Histamines cause blood vessels to _ (2)
Dilate
Become “leaky”
Histamine is main cause of typical allergic reactions such as (rn, we)
Runny nose
Watery eyes
Histamine is main cause of typical allergic reactions such as (i, rs)
Itching
Red skin
Symptoms depend upon _
Where allergen enters body
