Question

The active form of Entamoeba Histolytica feeds upon

• A. blood only
  
• B. mucosa and submucosa of colon only
• C. food in the intestine
• D. erythrocytes; mucosa and submucosa of colon

Answer 1

The correct option is D

erythrocytes; mucosa and submucosa of colon

The correct option is D

Explanation of the correct option:

1. Entamoeba histolytica is a protozoan parasite that causes a disease called amoebiasis. It usually occurs in the colon and causes internal inflammation.
2. The life cycle of Entamoeba histolytica does not require an intermediate host.
3. Mature cysts are excreted from infected human feces.
4. Others can be infected by ingesting fecal-contaminated water, food, or by hand.

Final answer: The active form of Entamoeba Histolytica feeds upon red blood cells, mucous membranes, and submucosa of the colon.