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Name two insect groups that are known to be mechanical vectors of pathogens.
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- Assuming you have been posted to a community where malaria is very endemic. There is a high rate of absenteeism among your students due to incidents of malaria. As part of your community engagement explain how you would educate on malaria prevention taking the following into consideration:a) Name of the vector and the species of the parasite that cause the diseases in Africa; b) Two chemical and two biological ways of reducing the population of mosquitoes; c) Two in-house measures to prevent mosquitoes bite;d) The stages in the life cycle of the mosquito;e) The names of three African countries that participated in the trial of malarial vaccine.Which of the following summarizes the chronological sequence (earliest to latest) of discovery involving human malaria parasites? This is was in a lecture slide, but is also in the textbook. a) liver stages, blood stages, mosquito stages, experimental transmission by mosquito b) blood stages, mosquito stages, liver stages, experimental transmission by mosquito c) mosquito stages, blood stages, liver stages, experimental transmission by mosquito d) blood stages, mosquito stages, experimental transmission by mosquito, liver stages e) mosquito stages, liver stages, blood stages, experimental transmission by mosquitoExplain how an insect might act as a mechanical vector for one disease and a biological vector for another.
- 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.Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) increased travel of individuals from endemic regions to the United States, (c) increased immigration of individuals from endemic regions to the United States, and (d) laws protecting wetlands. Please simple to understand and original answer. Thanks :)What is brood parasitism?Explain with the help of an example.
- Write at least one paragraph about the prevention and control of the following parasites: EXAMPLE: Entamoeba histolytica (fecal-oral route of transmission). Plasmodium spp. (transmitted by vector bite). Enterovirus vermicularis (fecal-oral route and autoinfection) Schistosoma haematobium (Skin penetration after water contact) Taenia seginata (ingestion of contaminated food) Ancylostoma duodenale (skin contact with soil)Explain how an insect can act as a mechanical vector for one disease and a biological vector for another?The human or animal host infected by the adult stage of a parasite worm is an: a) Intermediate host b) Final host c) Accidental host d) Vector e) Insects. I believe I know the answer but needing confirmation. Thanks
- Which of the following are true regarding parasites in the phylum Apicomplexa? a) they are intracellular parasites b) when they are inside cells, they exist within a parasitophorous vacuole c) the phylum includes the malaria parasites d) movement of the parasites into cells involves the action of an actomyosin motor e) they only reproduce asexuallyMatch the following examples to the appropriate type of symbiosis. - A microbe that lives inside the large intestine of a human, getting food from its host and protecting the host from disease a) Not a symbiosis b)parasitism c)commensalism d) mutualism -An insect that builds protected nests in trees, but does not help or damage the tree a) Not a symbiosis b)parasitism c)commensalism d) mutualism -A lamprey that attaches to other fish and sucks their blood throughout their life a) Not a symbiosis b)parasitism c)commensalism d) mutualism - A robin that eats worms out of the ground a) Not a symbiosis b)parasitism c)commensalism d) mutualismIn terms of geographical distribution, are parasitic flagellates (e.g., Trypanosoma spp., Leishmania tropica, Giardia lamblia, Trichomonas) cosmopolitan or localized? Explain Discuss the relationship between vector distribution of some parasites and their vectors, if any? Do they exhibit vector specificity?