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Questions and Answers
Where in the triatomine insect does the differentiation into epimastigotes occur?
Where in the triatomine insect does the differentiation into epimastigotes occur?
- Legs
- Wings
- Salivary glands
- Midgut (correct)
What is the term for the swelling and erythema resulting from the local replication of parasites at the site of the insect bite(triatomine bug)?
What is the term for the swelling and erythema resulting from the local replication of parasites at the site of the insect bite(triatomine bug)?
- Lymphadenopathy
- Chagoma (correct)
- Megacolon
- Romana's sign
Which form of T.cruzi infects any nucleated cell in the vertebrate host but has a predilection for muscle, especially the heart and gastrointestinal tract?
Which form of T.cruzi infects any nucleated cell in the vertebrate host but has a predilection for muscle, especially the heart and gastrointestinal tract?
- Amastigote (correct)
- Trypomastigote
- Epimastigote
- Promastigote
Which agents can suppress parasitemia and cure the acute phase of Chagas' disease in 60-80% of cases?
Which agents can suppress parasitemia and cure the acute phase of Chagas' disease in 60-80% of cases?
Which form of T.cruzi is liberated in the blood, causing lysis of infected cells and dissemination throughout the body via the bloodstream?
Which form of T.cruzi is liberated in the blood, causing lysis of infected cells and dissemination throughout the body via the bloodstream?
What is the term for the massive dilatation of the esophagus and/or colon due to parasympathetic denervation caused by chronic T.cruzi infection?
What is the term for the massive dilatation of the esophagus and/or colon due to parasympathetic denervation caused by chronic T.cruzi infection?
What is the main reason why developing a protective vaccine against African trypanosomes has been unsuccessful?
What is the main reason why developing a protective vaccine against African trypanosomes has been unsuccessful?
Which subspecies of Trypanosoma brucei is more prevalent in Eastern Africa and mostly results in acute lethal human infections?
Which subspecies of Trypanosoma brucei is more prevalent in Eastern Africa and mostly results in acute lethal human infections?
What is the characteristic symptom of the second (encephalitic) stage of human African trypanosomiasis?
What is the characteristic symptom of the second (encephalitic) stage of human African trypanosomiasis?
How is Trypanosomiasis transmitted to mammalian hosts?
How is Trypanosomiasis transmitted to mammalian hosts?
What is the role of wild animals in the transmission of Trypanosomiasis?
What is the role of wild animals in the transmission of Trypanosomiasis?
What happens to the trypomastigotes that enter the midgut of the tsetse fly?
What happens to the trypomastigotes that enter the midgut of the tsetse fly?
How do long slender forms of trypomastigotes enter extravascular tissues in mammalian hosts?
How do long slender forms of trypomastigotes enter extravascular tissues in mammalian hosts?
What is the primary method of transmission for Trypanosoma spp. in tsetse flies?
What is the primary method of transmission for Trypanosoma spp. in tsetse flies?
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