Multiple choice

Which of the following is the carrier of Entamoeba histolytica?

  1. Mosquito of genus Anopheles

  2. Cattle

  3. Musca domestica (housefly)

  4. Healthy human host

  5. -
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Entamoeba histolytica is a protozoan parasite that is responsible for a disease called amoebiasis. Trophozoites migrate to the large intestine, where they live and multiply by binary fission. Both cysts and trophozoites are sometimes present in the faeces. Cysts are usually found in firm stool, whereas trophozoites are found in loose stool. Only cysts can survive longer periods (up to many weeks outside the host) and infect other humans.

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