A 47-year-old male presents with progressive unsteady, broad-based gait and slow, slurred speech. Vital signs: BP 138/82 mmHg, HR 88/min, RR 16/min, Temp 37°C. Neurologic examination reveals dysdiadochokinesia, intention tremor, hypotonia, and nystagmus. MRI shows cerebellar atrophy. Cranial nerves II-XII are intact. The patient's lesion is located in a brain structure derived from which of the following embryonic structures?
- A)Myelencephalon
- B)Telencephalon
- C)Diencephalon
- D)MetencephalonGABARITO
- E)Mesencephalon
Explicação
The correct answer is C. Source: Kaplan USMLE Step 1 QBank — Anatomy Test 1. Ver explicação completa e trilha adaptativa →