Audio Qbank – HY USMLE Q #434 – Pharmacology

A 32-year-old woman comes to the physician for a 1-week history of urinary incontinence that happens 8-12 times daily. She has an unpredictable urge to void and often cannot reach the bathroom in time. She also reports spasms of her left arm during this time. Two years ago, she experienced blurry vision in her left eye for three weeks that resolved with intravenous methylprednisolone. Her diagnosis at the time was confirmed with an MRI. The most appropriate pharmacologic therapy for this patient’s spasticity acts at which of the following receptors?

α-adrenergic; agonist
α-adrenergic; antagonist
β-adrenergic; agonist
β-adrenergic; antagonist
γ-aminobutyric acid; agonist
γ-aminobutyric acid; antagonist
Muscarinic; agonist
Muscarinic; antagonist
Nicotinic; agonist
Nicotinic; antagonist