This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
A patient is having a continuous tremor and he has tendency to fall. Lesion Is most commonly seen in? 
Select and explain. 
A. Globus pallidus, B. Substantia Nigra, C. Caudate lobe, D. Putamen
B: Substantia Nigra
Answer: B: Substantia Nigra 
Explanation: Patient with continuous tremors and tendency to fall describes the Parkinson's disease. Parkinson disease: Dopamine deficiency in Substantia Nigra. Festinating Gait (stooped posture) Sho shuffling gait Cog wheel rigidity/ lead pipe rigidity Hypophonia: voice intensity | Akinetic Mutism Freezing (Cannot sta the movement)