This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Neurotransmitter present in nigro-striatal pathway is:March 2012 
Select and explain. 
A. Acetylcholine, B. Dopamine, C. Epinephrine, D. GABA
B: Dopamine
Answer: B: Dopamine 
Explanation: Ans: B i.e. DopamineNeurotransmittersCholinergic i.e.acetylcholine secreting neurons, are present in the pathway that emerges from cerebral coex to end in neostriatumDopaminergic neurons,are present in the nigro-striatal pathwayGABAergic fibres are present in pathway that connect cerebral coex to substantia nigra