This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parkinsonism and other movement disorders, Subject name: Medicine
Flapping tremor occurs due to all except? 
Select and explain. 
A. C02 narcosis, B. Hepatic encephalopathy, C. Uremic encephalopathy, D. Paralysis Agitans
D: Paralysis Agitans
Answer: D: Paralysis Agitans 
Explanation: Flapping tremor (Asterixis) - CO2 Narcosis - Hepatic encephalopathy - Urinemic encephalopathy Paralysis Agitans - Parkinsonism like manifestation Metabolic encephalopathy -Anomic Aphasia, Asterixis