This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurodegenerative Diseases, Subject name: Pathology
Tau protein seen in - 
Select and explain. 
A. Alzhiemer's disease, B. Lewy body dementia, C. Picks disease, D. Amylodosis
A: Alzhiemer's disease
Answer: A: Alzhiemer's disease 
Explanation: Ans. is 'a' i.e., Alzheimer's disease Alzhiemers diseaseo There is atrophy of frontal and temporal lobes to variable extent and severity,o The pattern of atrophy can often be predicted in part by the clinical symptomatology.o The atrophic regions of cortex are marked by neuronal loss, gliosis, and the presence of tan-con taining neurofibrillary tangles