Which of Hepatitis A, B, C, D and E can be spread fecal-orally and which are in essentially a blood infection? Why can only certain viruses be transmitted through the gastrointestinal tract?
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Hepatitis virus has different routes of infection. Which of Hepatitis A, B, C, D and E can be spread fecal-orally and which are in essentially a blood infection? Why can only certain viruses be transmitted through the gastrointestinal tract?
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- What do the following viral encephalitis diseases have incommon: eastern equine encephalitis, western equine encepha-litis, Venezuelan equine encephalitis, St. Louis encephalitis, WestNile fever?(a) They are all caused by the same virus.(b) They all have the horse as a common intermediatehost.(c) They are all transmitted into the body through the biteof an infected mosquito.(d) Birds are never involved in the life cycle of the virusesthat cause these diseases.(e) Both a and d.Though the exact mechanism of a norovirus infection is not known, give a generalized account of how the norovirus could cause its signature symptoms, vomiting and diarrhea.Why is infection by herpesvirus permanent?
- Varicella-zoster virus O 1) becomes latent in dorsal root ganglia that serve specific dermatomes. 2) uses the respiratory epithelium as its portal of entry. 3) has humans as its reservoir. 4) causes chickenpox and shingles. 5) All of the choices are correctDetermine the chain of infection for the following scenarios and describe what you would do to break it. How could the disease have possibly been prevented? SHARING Melanie and April were best of friends. They shared almost everything, even illness sometimes. Although this time it was a little different. Attending, there local fast-food restaurant before the big basketball game, Melanie and April decide to get a quick bite. Order their regular meal (Fries and a Coke of which they shared), they hangout, eat their food, and leave for the game. Melanie had ordered an extra fry to take with her to give to her brother (who is in the game), after he plays. Once at the game they sit court side to get a good view of all their friends that play on the team. Melanie’s older brother is one of the point guards and has even taught her a thing or two about playing ball. They love going to school events and socializing with their friends. Matter of fact, tonight there was not much game…What host organ do hepatitis viruses attack? How are hepatitisA, B, and C viruses transmitted?
- Which of the following viruses is NOT routinely responsible for causing gastroenteritis? O Rotavirus O Norovirus O Coronavirus O AdenovirusWhich of the following is a true statement with regard to virusemia? O The second combining form means virulent. O The first combining form means internal organ(s). O The second combining form means blood.Which link in the chain of infection is the intervention described below meant to break? "N95 respirators reduce the wearer's exposure to airborne particles, from small particle aerosols to large droplets. N95 respirators are tight-fitting respirators that filter out at least 95% of particles in the air, including large and small particles." (https://www.cdc.gov/coronavirus/2019- ncov/hcp/respirator-use-faq.html) Portal of entry Means of transmission O Infectious agent Susceptible host
- …….…… virus can cause encephalitis, cancer, sexually transmitted disease, infectexternal genitalia, mucosal surfaces, gladiatorum, and/or other diseases. How can theinfection with this virus be avoided? Suggest two ways of prevention or to destroy thevirus. Medical microbiology and virologyLyme disease or zika virus https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5729143/ https://www.hopkinsmedicine.org/zika-virus/what-is-zika-virus.html Which virus are you more concerned about? Some questions to think about for your answers: Are there available treatments? Be a health care provider: What would you recommend for your patients to avoid these viruses? Do your recommendations change in the mists of the Covid pandemic?what type of agent is the Variola virus? BSL...