In the management of anaphylactic shock, Epinephrine is the drug of choice because its action on which receptor subtype prevents further mast cell degranulation and causes bronchodilation?
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Correct answer: Beta-2
Beta-2 receptor stimulation relaxes bronchial smooth muscle and stabilizes mast cell membranes. This counteracts the bronchoconstriction and inflammatory mediator release seen in anaphylaxis.
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