Solved UPSC CDS/OTA Question
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Q · Nervous Systemmedium · 45s
Which neurotransmitter is depleted in Parkinson’s disease?
TopicNervous System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Parkinson’s disease involves loss of dopaminergic neurons in the substantia nigra pars compacta, leading to motor symptoms like bradykinesia, rigidity, and resting tremor due to reduced dopamine in basal ganglia circuits.
Final Answer: Option C - Dopamine