This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dementia Due to Metabolic Causes, Subject name: Psychiatry
[{'content': "Reversible dementia is seen in all EXCEPT: \nSelect and explain. \nA. Wernickes encephalopathy, B. Alzheimer's, C. Hypothyroidism, D. Head trauma", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Alzheimer'sRef: Harrison's 18th ed. 3300-07* Alzheimer's disease is most common cause of irreversible dementia.Reversible vs Irreversible dementiaReversibleIrreversibleVitamin deficiency# B1-Wernicke's# B12-SCID# Nicotinic acid- PellagraAlzheimer'sEndocrine (hypothyroidism, adrenal insufficiency, cushing's)Vascular dementia (multi- infarct)Head trauma and diffuse brain damageHaemorrh age- subdural, epidural,Normal pressure hydrocephalusLeucoencephalopathyPrimary metastatic brain tumorMetabolic disorder (wilson's disease, Leigh disease, Leucodystrophy)Toxic dementia (MCC of reversible dementia)Degenerative disorder (parkinsonism, Pick's disease, Prion's disease, multiple sclerosis, hunting ton's disease, diffuse lewy body dementia)", 'role': 'assistant'}]