Neuromuscular Disorders USMLE Step 1 Practice Question
A 38-year-old man with chronic spinal cord injury presents with painful lower extremity spasms and increased muscle tone disrupting sleep. Vital signs: BP 128/82, HR 78, RR 16, temp 37°C. Neurologic exam reveals hyperreflexia and rigidity in bilateral lower extremities; upper extremity strength is normal. Recent MRI confirms remote spinal cord lesion at T10. He denies bowel/bladder dysfunction. A GABA_B receptor agonist acting in the spinal cord is prescribed to reduce spasticity. Which drug was most likely given?
Answer choices
- ASelegiline
- BBaclofenCorrect answer
- CTrihexyphenidyl
- DRopinirole
- EEdrophonium
- FDiazepam
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