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NBME 23 Answers

nbme23/Block 2/Question#12

A 75-year-old woman has stress urinary incontinence ...

Stimulation of α-adrenoreceptors

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submitted by sugaplum(51),

phenylpropanolamine is an alpha agonist that stimulates urethral smooth muscle contraction. - from uptodate, however, it also says it is not recommended treatment anymore

ugalaxy  α1 stimulation (via α1 agonist) constricts the bladder sphincter thereby, preventing sudden bouts of micturition during coughing/sneezing (abdominal stress). +1  




 +1  upvote downvote
submitted by ugalaxy(2),

α1 stimulation (via α1 agonist) constricts the bladder sphincter thereby, preventing sudden bouts of micturition during coughing/sneezing (abdominal stress).