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PMCOL 200 - Allergies Exam Latest Update
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PMCOL 200 - Allergies ExamLatest Update
allergies - Answer caused by hyper sensitivity of the immune system to normally
harmless substances
types of allergies - Answer hay fever
food allergies
atopic dermatitis
allergic asthma
anaphalaxis
general symptoms of allergies - Answer red eyes
itchy rash
sneezing
runny nose
shortness of breath
swelling
how do allergies form - Answer when the body is encountered with an unwanted antigen
the body produces immunoglobulin E antibodies
when encountered with the antigen again the antigen will bind to theses anti bodies
allowing degranulation of the mast cell releasing histamine.
histamine receptors - Answer g protein coupled receptors
four main classes
H1 H2 H3 H4
H1 receptors - Answer found on smooth msucles on vascular endothelial cells in the
heart and the CNS
Gq activated
activation of the H1 receptors - Answer causes increased vascular permeability
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