CNS Pharmacology USMLE Step 1 Practice Question
A 68-year-old woman presents with a 6-month history of urinary urgency, frequency, and nocturia. Vital signs are stable (BP 138/82, HR 78, RR 16, Temp 37°C). Urinalysis is negative for infection. Urodynamic testing demonstrates detrusor overactivity without outlet obstruction or post-void residual elevation. She denies abdominal pain or hematuria. Which medication would most likely improve her symptoms by reducing involuntary bladder contractions?
Answer choices
- AOxybutyninCorrect answer
- BDesmopressin
- CBethanechol
- DTamsulosin
- EFurosemide
- FSolifenacin
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