<prompt> A 10-year-old child presents with diarrhea and abdominal pain since 4 days. Stool microscopy was done and is shown below. Which of the following can be used for the treatment?MebendazoleIvermectinDiethylcarbamazinePraziquantel  <response>: The given clinical history and the stool microscopy showing the egg are suggestive of infection with Hymenolepis nana. It is treated by Praziquantel. Characteristics of Hymenolepis nana eggs: Colorless, non-bile stained Possesses a single shell with an operculum at one end and a knob at the other end. Reference: Paniker;s Textbook of Medical Parasitology 8th edition 