Beta 2 agonist causes_______________?

Correct answer: D. Bronchial muscle relaxationConsult Online Doctors

A. Mydriasis
B. Contraction of urinary spinctors
C. Vasoconstriction
D. Bronchial muscle relaxationConsult Online Doctors

Explanation

Beta2 stimulation relaxes bronchial smooth muscle, producing bronchodilation. Mydriasis, vasoconstriction and urinary sphincter contraction are mainly associated with alpha1 stimulation.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 18 September 2026

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Beta 2 agonist causes_______________?

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