Q. Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter :

A) acetylcholine
B) norepinephrine
C) dopamine
D) GABA
Explanation

[Solution from source] Parkinson's disease results from the loss of dopamine-producing neurons in the substantia nigra, which regulate movement through the basal ganglia. Treatment therefore replaces dopamine (L-DOPA). Loss of acetylcholine neurons is linked mainly to Alzheimer's disease. Answer (3).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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