Question

Intestinal fluke is
(A) Fasciola indica
(B) Fasciolopsis buski
(C) Opisthorchis sinensis
(D) Schistosoma japonicum

Answer 1

Hint: Intestinal fluke is caused by a large fluke and is one of the largest known parasites to humans. It is a flattened fluke as its body is flat. Even this parasite causes infection in pigs also.

Complete step by step answer:
Intestinal fluke is a flatworm which has a wide range of size from millimeters to centimeters. The species which cause infection in the intestine is Fasciolopsis buski. Fasciolopsis buski is also known as giant intestinal fluke. It is the most common parasite found in Southern Asia and China.
So, the correct answer is ‘Fasciolopsis buski’.

Additional information:
 Fasciolopsis buski has a blunt anterior end, branched ovaries, unbranched ceca. It gets attached to the host by ventral suckers present in them. Symptoms of infection caused by Fasciolposis buski are like ulcers in the intestinal mucosa, abdominal pain, diarrhea, and fever. Identification or diagnosis of the parasite is done by the absence or presence of large eggs in stools. Fasciola indica and Opisthorchis sinensis are known as liver flukes as these parasites cause infection to the liver cells. Symptoms of the presence of liver fluke in liver cells are abdominal pain. fever.nausea.vomiting.and diarrhea.Schistosoma japonicum is a blood fluke. Blood flukes can live inside the human body for decades. Symptoms include fever, arthralgias, abdominal pain, bloody diarrhea.

Note: The path or vector by which this parasite enters our body is from vegetables and freshwater plants, like water chestnut, lotus as its stem is eaten as a vegetable. One can easily prevent itself from parasites by eating fresh, well-cooked, and properly washed freshwater plants.