<prompt> Flask shaped ulcers intestine caused by which of the following?TyphoidTBEntamoeba histolyticaGiardia  <response>: Infection Ulcer Typhoid Longitudinal ulcer TB Transverse ulcer Entamoeba Histolytica Flask shape ulcer Broad base ulcerflask shape ulcer is seen in entamoeba histolytica. Giardia is a noninvasive cause of malabsorption. 