Ture about lactulose is -

Ans. is 'c' i.e., Osmotic laxative o Lactulose is an osmotic purgative. o Lactulose is a semisynthetic disaccharide of fructose and lactose which is neither digested nor absorbed in the small intestine. o Lactulose causes reduction of blood NH3 concentration by 25-50% in patients with hepatic encephalopathy.