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allergy PNCB exam questions and answers

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allergy PNCB exam questions and answers

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allergy PNCB exam questions and
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allergic rhinitis treatment - ANSWERS -first line: inhaled nasal corticosteriods; can take up to 4
weeks before symptom relief is observed



others: oral H1 antihistamines, leukotriene modifiers



start 1-2 weeks before pollen season

OAH--> rotate, will develop tolerance; titrate up for symptom relief



NO decongestants under age of 4 yrs



allergies - ANSWERS -allergens acts as antigen that triggers IgE responses in genetically
predisoped individuals



allergy type 1 - ANSWERS -IgE mediated

binding region of IgE attaches to high-infinity receptors on basophils, mast cells, and eosinophils

results in inflammatory mediators and cytokine release



allergy type 2 - ANSWERS -a cytotoxic reaction



IgM or IgG antibodies bind to surface antigens on normal tissue cells, activating complement
cascade, with resultant inflammation, cellular dysfunction, or toxicity



leads to cell destruction

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