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Questions and Answers
How does infection occur in a mammalian host with Trypanosoma spp.?
How does infection occur in a mammalian host with Trypanosoma spp.?
- Through inhalation of airborne infectious particles
- Through a vector tsetse fly bite (correct)
- Through direct contact with an infected person's blood
- Through ingestion of contaminated food or water
What do the long slender forms of trypomastigotes do once they penetrate the blood vessel endothelium?
What do the long slender forms of trypomastigotes do once they penetrate the blood vessel endothelium?
- They invade the central nervous system (correct)
- They become short and stumpy again
- They multiply by binary fission
- They transform into procyclic trypomastigotes
Which statement about wild animals infected by tsetse flies is true?
Which statement about wild animals infected by tsetse flies is true?
- They develop severe symptoms of trypanosomiasis
- They can harbor the live parasite without developing the disease (correct)
- The live parasite cannot be transmitted back to normal hosts
- They do not act as reservoirs of the parasite
What is the role of procyclic trypomastigotes in the tsetse fly?
What is the role of procyclic trypomastigotes in the tsetse fly?
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Which stage of Trypanosoma spp. is taken up by the tsetse fly during a blood meal?
Which stage of Trypanosoma spp. is taken up by the tsetse fly during a blood meal?
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How do trypomastigotes enter the midgut of the tsetse fly?
How do trypomastigotes enter the midgut of the tsetse fly?
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