Clinical Symptoms

• Which factor(s) contribute to the asymptomatic carrier state of E. histolytica?

  A)High-virulence strain and high inoculation

  B) Low-virulence strain and intact immune system

  C) High-virulence strain and impaired immune system

  D) Low-virulence strain and impaired immune system

  = Low-virulence strain and intact immune system
• Amebic colitis is characterized by:

  = Formation of amebic ulcers in the intestines
• What is the primary symptom of amebic dysentery?

  = Presence of blood and mucus in the stool
• Which of the following is NOT a symptom of symptomatic extraintestinal amebiasis?

  A)Upper right abdominal pain

  B) Weakness and weight loss

  C) Constipation with alternating diarrhea

  D) Presence of blood in the stool

  = Presence of blood in the stool
• Venereal amebiasis can be transmitted through:

  =  Unprotected sex
• Which organ is commonly affected in symptomatic extraintestinal amebiasis?

  = Lung
• What is the main factor responsible for the transition from asymptomatic carrier state to symptomatic infection?

  =  Impaired immune system
• What differentiates amebic colitis from amebic dysentery?

  = Presence of blood in the stool
• Which of the following is NOT a symptom of amebic dysentery?A)Chronic weight loss

  B) Anorexia

  C) Flatulence

  D) Chronic fatigue

  = Chronic fatigue
• How does E. histolytica infection reach the liver in symptomatic extraintestinal amebiasis?

  = Bloodstream dissemination of trophozoites