<prompt> Korsakoffs psychosis is seen in -a CRFb Alcohol withdrawalc Marasmusd Cirrhosisaacadb  <response>: Wernicke - Korsakoff syndrome WKS is due to deficiency of thiamine which can be precipitated by chronic alcoholism most common, malnutrition marasmus due to prolonged starvation, hyperemesis gravidarum, HIV - AIDS, bariatric surgery, hemodialysis for CRF, prolonged intravenous hyperalimentation, and malignancies gastric carcinoma.Note - It is chronic alcohol abuse that causes WKS not alcohol withdrawal :- option b. 