Trypanosoma cruzi and Chagas' Disease Quiz

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How is Trypanosoma cruzi primarily transmitted to humans?

Through direct contact with an infected person

Through ingestion of contaminated food and water

Through the bite of infected mosquitoes

Through the feces of triatomine bugs (correct)

What is the name of the disease caused by Trypanosoma cruzi in South America?

Dengue fever

Chagas' disease (correct)

Malaria

Lyme disease

Where do trypomastigotes enter the host's body after being released by the triatomine bug?

Through the skin or mucosal membranes (correct)

Through the respiratory system

Through the urinary system

Through the digestive system

How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?

By multiplying rapidly in the midgut (A) Signup and view all the answers

Apart from triatomine bugs, in what other ways can Trypanosoma cruzi be transmitted?

Through blood transfusions and organ transplantation (A) Signup and view all the answers

What is the infective stage parasite found in the blood and body fluids?

Trypomastiogate stages (D) Signup and view all the answers

Where are the amastigotes found in chronic infection?

In macrophages, nerve, and muscle cells (A) Signup and view all the answers

What causes the heart to hypertrophy in chronic infection?

Parasites in heart muscle (B) Signup and view all the answers

What is the common habitat for the Triatomid bugs that transmit T.cruzi?

Palm branch roofing and wattle and daub walls (D) Signup and view all the answers

What is the issue with detecting Chagas disease using blood antibodies?

It can take 10 years or more (A) Signup and view all the answers

What is the primary habitat for Triatomid bugs that transmit T.cruzi?

Palm trees (A) Signup and view all the answers

How does Chagas disease primarily spread to humans?

Through the bite of infected Triatomid bugs (C) Signup and view all the answers

What is the main issue with detecting Chagas disease using blood antibodies?

The presence of blood antibodies does not necessarily indicate current infection (D) Signup and view all the answers

What is the potential similarity between Chagas disease and AIDS as mentioned in the text?

Both diseases have a long asymptomatic phase (A) Signup and view all the answers

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 (D) Signup and view all the answers

What is the primary mode of transmission for Trypanosoma cruzi?

Through blood transfusions, organ transplantation, or transplacental transmission (C) Signup and view all the answers

Where do trypomastigotes invade the host's body upon being released by the triatomine bug?

Through direct penetration of the skin (B) Signup and view all the answers

How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?

By differentiating into epimastigotes (B) Signup and view all the answers

Where are amastigotes found in chronic infection with Trypanosoma cruzi?

In cardiac muscle cells and smooth muscle tissue (B) Signup and view all the answers

What causes heart hypertrophy in chronic infection with Trypanosoma cruzi?

Direct invasion of the heart by trypomastigotes (A) Signup and view all the answers

Trypanosoma cruzi and Chagas' Disease Quiz

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Questions and Answers

How is Trypanosoma cruzi primarily transmitted to humans?

What is the name of the disease caused by Trypanosoma cruzi in South America?

Where do trypomastigotes enter the host's body after being released by the triatomine bug?

How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?

Apart from triatomine bugs, in what other ways can Trypanosoma cruzi be transmitted?

What is the infective stage parasite found in the blood and body fluids?

Where are the amastigotes found in chronic infection?

What causes the heart to hypertrophy in chronic infection?

What is the common habitat for the Triatomid bugs that transmit T.cruzi?

What is the issue with detecting Chagas disease using blood antibodies?

What is the primary habitat for Triatomid bugs that transmit T.cruzi?

How does Chagas disease primarily spread to humans?

What is the main issue with detecting Chagas disease using blood antibodies?

What is the potential similarity between Chagas disease and AIDS as mentioned in the text?

What is the function of the drugs posaconazole and ravuconazole in relation to Chagas disease?

What is the primary mode of transmission for Trypanosoma cruzi?

Where do trypomastigotes invade the host's body upon being released by the triatomine bug?

How do trypomastigotes transform into infective metacyclic trypomastigotes inside the triatomine bug?

Where are amastigotes found in chronic infection with Trypanosoma cruzi?

What causes heart hypertrophy in chronic infection with Trypanosoma cruzi?

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