A parasitology laboratory receives a duodenal aspirate from a patient with chronic diarrhoea and malabsorption. Microscopy reveals trophozoites with a...

Question

A parasitology laboratory receives a duodenal aspirate from a patient with chronic diarrhoea and malabsorption. Microscopy reveals trophozoites with a single nucleus, a large karyosome, and a distinctive undulating membrane. The trophozoites are pear-shaped. What organism is this?

Accepted Answer

Trichomonas hominis

Answer

Giardia lamblia

Answer

Entamoeba histolytica

Answer

Dientamoeba fragilis

Answer

Chilomastix mesnili

uk-dtmh MCQ (SBA): Trichomonas hominis Identification

A parasitology laboratory receives a duodenal aspirate from a patient with chronic diarrhoea and malabsorption. Microscopy reveals trophozoites with a single nucleus, a large karyosome, and a distinctive undulating membrane. The trophozoites are pear-shaped. What organism is this?