End Of Immune System #2 Flashcards
Immediate hypersensitivity
Abnormal b lymphocyte response, within minutes
Delayed hypersensitivity
Abnormal t lymphocyte response, 24-72 hours after exposure
Symptoms iud immediate hypersensitivity
Rhinitis, conjunctivitis, asthma, atopic dermatitis (hives), food allergies
What type of lymphocytes are stimulated in people who are allergic and what does this recruit?
Helpter T Th2 cells, eosinphils
What type of immnoglobins mediate allergic immediate hypersensitivity?
IgE
After second exposure to allergen, what is released to produced immediate hypersensitivity reaction?
histamine, prostoglandins and leukotrienes
how to test for immediate hypersensitivity
flare and wheel reaction
How to treat asthma
corticosteroids and beta adrenergic stimulators
Poison ivy, poison oak are examples of
allegic contact dermatitis (delayed hypersensitivity)
Others names for TB test
tine test and mantoux test
TB test relies on
delayed hypersensitivity reaction
most common cause of syncope
vasovagal faint
What caused the severe low bp of the fainting woman
anaphylactic shock from sweet peppers
What chemical causes the low bp in an allergic reaction
histamine