PATHOGENESIS AND CLINICAL SYMPTOMS

• True or False: All patients infected with intestinal amebas exhibit symptoms.

  = False
• What group of patients is more likely to have amebas without an apparent cause of diarrhea?

   = Individuals with a history of travel to underdeveloped countries
• Why is the diagnosis of nonpathogenic amebas important?

  = They suggest ingestion of contaminated food or drink.
• True or False: Pathogenic and nonpathogenic amebas have different transmission routes.

  = False
• What is the primary risk factor for amebiasis?

  = Consumption of raw or undercooked food
• Amebiasis is commonly found in what population in the United States?

  = Immigrants from underdeveloped countries
• Where are amebas more likely to infect individuals in crowded conditions?

  =  Gastrointestinal tract
• What ameba is universally considered a pathogen among intestinal amebas?

  = Entamoeba histolytica
• Infections with extraintestinal amebas can affect which areas of the body?

  = Mouth, eye, and brain
• True or False: Symptoms caused by extraintestinal amebas are always related to the digestive system.

  = False