Nervous System Disorders · NCERT Biology

Which of the following is NOT a characteristic of Parkinson's disease?

  1. Postural instability
  2. Rigidity
  3. Progressive dementia in the late stages
  4. Excessive production of dopamine
Show answer and explanation

Correct answer: Excessive production of dopamine

Parkinson's is caused by a deficiency, not an excess, of dopamine. Treatment often involves Levodopa (L-Dopa), which is a precursor that the brain converts into dopamine.

Difficulty: Medium Question 12 of 20

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