9.1 Nematodes and Plathelmithes frequently inhabit the intestine of their hosts. Compare the different attachment/invasion strategies utilized by these parasites.
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9.1
Nematodes and Plathelmithes frequently inhabit the intestine of their hosts. Compare the different attachment/invasion strategies utilized by these
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- Explain what it means to be an obligate intracellular parasite.Name three groups of obligate intracellular parasites.A 5 year-old child was playing in their backyard. Suddenly, the child felt itchiness in his skin and began to scratch his body. Based on laboratory results, it was confirmed that the child was infected with hookworm. Answer the following questions: What possible mode of transmission the parasite has been acquired? Explain why. List all possible effects of parasite on the host. Explain each.Recall the most important apicomplexan parasites.
- Plasmodium is the most deadly parasite globally. There are nearly 250 million new cases of malaria diagnosed each year. Discuss at least two mechanisms that this parasite uses within its host(s) to persist, manipulate, and/or propogate.The protozoans reviewed in class are transmitted to the host either through the fecal-oral route or through a vector. What advantages/disadvantages do these varying routes of parasite invasion have with respect to host infection? How might we control the various invasive parasiteDescribe a parasitic infection in cestodes in which human serves as a definitive host, as an intermediate host, and as both.
- Describe the life cycle of Paragonimus westermani and its method of transmission to humans with crayfish and snail as the intermediate hosts. Show in a diagram and an explanation.Label the stages of the Trypanosoma cruzi life cycle as well as the form of the parasite in each stage. Drag the appropriate labels to their respective targets..List four helminthes that cause primarily intestinal symptoms, and identify which life cycle they follow and one unique fact about each one.
- Answer the following questions with respect to both Clonorchis and Schistosoma: (a) how do humans become infected? (b) what is the general geographical distribution? (c) what are the main disease conditions produced?Explain what it means to be an obligate intracellular parasite.Describe the symbiosis between the Riftia tubeworm and its bacterial symbiont. What is the role of the Riftia tube worm hemoglobin in the success of its relationship with the symbiotic bacteria?