<prompt> The following slide shows presence of?PseudopolypsFlask shaped ulcerBlunting of microvilliWhipples disease  <response>: Ans. b Flask shaped ulcer.The image shows flask-shaped ulcer form which is seen in Entamoeba histolytica in colonic mucosa resulting in bloody diarrhea.Image source- stylefont-family: Times New Roman, Times, serif 