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To answer:
Why it is more difficult to clear a community of a disease transmitted by arthropods such as Lyme disease than a disease transmitted by contaminated drinking water such as cholera.
Introduction:
The disease is mainly caused due to the transmission of pathogens to the human body. Arthropod acts as a vector for causing serious diseases such as Lyme, malaria, yellow fever, and dengue fever. Arthropods can cause direct or indirect injury to human such as biting, stinging and failure of sensory organs. Contaminated water contains living organisms such as algae, bacteria, protozoan or viruses which have harmful effects on health.
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Chapter 21 Solutions
MasteringMicrobiology with Pearson Etext - Valuepack Access Card - for Microbiology with Diseases by Body System
- Which of the following is a pyrimidine (one type of nitrogenous base) that is commonly found in all DNA molecules, but is not commonly found in all RNA molecules? adenosine cytidine thymine guanine uracil If retroviruses like HIV follow the historical pattern of a parasite adapting to a new host species (like syphilis in Europe over the past 500 years), then rapid virulence initially would likely be followed by: increasing virulence of the parasite, and decreasing resistance of the host increasing virulence of the parasite, and increasing resistance of the host decreasing virulence of the parasite, and decreasing resistance of the host decreasing virulence of the parasite, and increasing resistance of the host all of the above outcomes would be equally likelyarrow_forwardBelow are statements about symbiosis. Choose the correct responses. ( Only pick one answer per [ ] ) ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when two organisms both benefit from a relationship. One example of this you will view is lab is ["Viruses Infecting Bacteria", "Yeast Fermenting sugar", "Bacteria such as Rhizobium living in plant structures called root nodules"] . ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when one organism benefits, while the second organism is not harmed, and does not benefit. ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when one organism benefits while the second organism is harmed. In lab you will explore ["Viruses Infecting Bacteria", "Yeast Fermenting sugar", "Bacteria such as Rhizobium living in plant structures called root nodules"] as an example of this relationship.arrow_forwardMany people in the developing world die of a water-borne illness simply because they do not have access to clean drinking water. This includes diseases such as cholera, from fecal contaminated water. Cholera is transmitted by which of the following routes? Ovector transmission vehicle transmission droplet transmission contact transmissionarrow_forward
- Read the following two statements about C.difficile outbreaks and answer the questions given below. “Between December 2007 and May 2008 there was a C.difficile outbreak in a UK hospital, where 55 patients were infected and there were 28 mortalities.” “A relatively recent survey discovered that 41% of all reported C.difficile cases were not hospital based infections, but originated in the local community.” Two patients were admitted to the same hospital ward for the same duration of time, yet one became ill with C.difficile and the other didn’t. Relating to the host-pathogen relationship, explain how they had different outcomes.arrow_forwardGive an example of a disease transmitted by each of the following: mosquitoes; fleas; lice; ticks; mites.arrow_forwardA female Anopheles mosquito comes in contact with a person's skin and probes it with its proboscis. This now has the potential to infect the person with malaria. What type of transmission is involved in the process?Airborne transmission Mechanical transmission Direct contact transmission Biological transmissionarrow_forward
- Did widespread treatment with antimalarial drugs (ACTs) reduce the prevalence of malaria in the population? a) yes b) no c) only before 1900 d) there is no correct answer e) only in western Europearrow_forwardWhich of the following is NOT true of bacterial exotoxins? Important in the pathogenesis of many human diseases Their toxic effect can be systemic, affecting cells distant from the primary site of infection None of the other four answers (All are true of bacterial exotoxins) Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) Some exotoxins have two components, A (active) and B (binding)arrow_forwardWhich of the following terms describes a disease that is caused by pathogens? * acquired O infectious resistance parasiticarrow_forward
- In 2021 there were an estimated 247 million new malaria cases in 85 malaria-endemic countries with at least 619,000 deaths, caused by the protozoan Plasmodium and transmitted by mosquitoes. This is an example of: Vehicle transmission Droplet transmission Vector transmission Aerosol transmission Direct contact transmissionarrow_forwardThe 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. Thanksarrow_forwardWhich of the following is not considered a cause of major epidemic diseases? Prions Bacteria Parasites Viruses Fungiarrow_forward
- Comprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage Learning
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