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Questions and Answers
What is the main trigger for histamine release from mast cells in allergic reactions?
Which receptor type does histamine act on to cause bronchodilatation and vasoconstriction?
What is the primary pharmacological action of epinephrine in the treatment of anaphylaxis?
Why is early administration of corticosteroids important in anaphylaxis management?
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Which pharmacological agent is NOT a substitute for epinephrine in the treatment of anaphylaxis?
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What is the main benefit of administering Epi-Pen or Ana-Pen devices in anaphylactic emergencies?
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What is the mechanism of anaphylaxis?
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Which of the following is NOT a common allergen responsible for milder allergic reactions?
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In allergic rhinitis, which of the following can cause symptoms like nasal congestion and mild wheezing?
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Which immunoglobulin is mainly involved in Type I hypersensitivity reactions?
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What is a characteristic symptom of atopic dermatitis?
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What is the central role of histamine release in mild allergic reactions?
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Which cells store histamine in granules and release it upon exposure to allergens?
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In hypersensitivity type I reactions, what binds to Fc receptors on mast cells?
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What is the main cause of histamine-induced bronchoconstriction in anaphylactic reactions?
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Which receptors are present on bronchial smooth muscle and endothelial cells, leading to various effects upon activation?
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In systemic allergy like anaphylaxis, what leads to hypotension and cardiovascular collapse?
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