Neuroanatomy basics · USMLE Step 1

Atrophy of the caudate nucleus results in which condition?

  1. Parkinson disease
  2. Huntington disease
  3. Multiple sclerosis
  4. Amyotrophic lateral sclerosis
Show answer and explanation

Correct answer: Huntington disease

Huntington disease is characterized by caudate atrophy due to CAG repeat expansion. It causes chorea, dementia, and behavioral changes.

Difficulty: Medium Question 18 of 20

Practice all 20 Neuroanatomy basics questions

Keep practicing

More Neuroanatomy basics questions