<prompt> A patient who has undergone partial gastrectomy presents with neurological symptoms. Most probable diagnosis:Folic acid deficiencyThiamine deficiencyVitamin B12 deficiencyIron deficiency  <response>: Ans. c Vitamin B12 deficiencyRef: Sabsiton 20th Edition, Page 1212 Following partial gastrectomy there is decreased production of Intrinsic factor which leads to vitamin B12 deficiency. 