20 Questions
How is Trypanosoma cruzi primarily transmitted to humans?
Through the feces of triatomine bugs
What is the name of the disease caused by Trypanosoma cruzi in South America?
Chagas' disease
Where do trypomastigotes enter the host's body after being released by the triatomine bug?
Through the skin or mucosal membranes
How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?
By multiplying rapidly in the midgut
Apart from triatomine bugs, in what other ways can Trypanosoma cruzi be transmitted?
Through blood transfusions and organ transplantation
What is the infective stage parasite found in the blood and body fluids?
Trypomastiogate stages
Where are the amastigotes found in chronic infection?
In macrophages, nerve, and muscle cells
What causes the heart to hypertrophy in chronic infection?
Parasites in heart muscle
What is the common habitat for the Triatomid bugs that transmit T.cruzi?
Palm branch roofing and wattle and daub walls
What is the issue with detecting Chagas disease using blood antibodies?
It can take 10 years or more
What is the primary habitat for Triatomid bugs that transmit T.cruzi?
Palm trees
How does Chagas disease primarily spread to humans?
Through the bite of infected Triatomid bugs
What is the main issue with detecting Chagas disease using blood antibodies?
The presence of blood antibodies does not necessarily indicate current infection
What is the potential similarity between Chagas disease and AIDS as mentioned in the text?
Both diseases have a long asymptomatic phase
What is the function of the drugs posaconazole and ravuconazole in relation to Chagas disease?
They inhibit a key enzyme in sterol synthesis of the parasites
What is the primary mode of transmission for Trypanosoma cruzi?
Through blood transfusions, organ transplantation, or transplacental transmission
Where do trypomastigotes invade the host's body upon being released by the triatomine bug?
Through direct penetration of the skin
How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?
By differentiating into epimastigotes
Where are amastigotes found in chronic infection with Trypanosoma cruzi?
In cardiac muscle cells and smooth muscle tissue
What causes heart hypertrophy in chronic infection with Trypanosoma cruzi?
Direct invasion of the heart by trypomastigotes
Test your knowledge about Trypanosoma cruzi and Chagas' disease with this quiz. Learn about the transmission, prevalence, and impact of this parasite and the disease it causes.
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