All can predisposes to non cirrhotic poal fibrosis, EXCEPT:: (A) Xenobiotics exposure, (B) Arsenic contaminated water, (C) Repeated intestinal exposure, (D) Radiation exposure
Answer is D. Noncirrhotic poal hypeension is a group of disorder characterized by increase in poal pressure,due to intrahepatic or pre hepatic lesions, and absence of cirrhosis of the liver. Etiopathogenesis of NCPF xenobiotics exposure and various Immunologic abnormalities(Abnormalities of T-lymphocytes and adhesion molecules) Repeated intestinal infection Drinking of arsenic contaminated water Ref: Medicine Update 2012 Vol. 22.