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
Norepinephrine
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B
Acetylcholine
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C
GABA
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D
Dopamine
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Solution
The correct option is D Dopamine Parkinson's disease (characterized by tremors and progressive rigidity of limbs, changes in speech and gait) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter Dopamine.So, the correct answer is 'Dopamine'.