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- Waht poulation(doctors or patients) is most affected by medical staff privilegas ?and whyWhat is it about clams that make them especially likelysources of human infection?(a) They have sticky interiors that make microorganism at-tachments easy.(b) Their ability to glow with Photobacterium phosphor-eum attracts pathogenic species of microorganisms.(c) They are best eaten raw.(d) They are filter feeders, obtaining food by filtering waterand extracting microbes.(e) Their hard outer shell seals in and concentrates anycontaminating microbes.As a municipal fisheries officer (MFO) you were assigned to investigate a report in the occurrence ofpoor breeding activities of fresh water tilapia in a barangay involved in tilapia aquaculture. It wasalso reported that the fry produced are weak and are always affected by fungal and bacterialinfection. You have ordered a blood and tissue analysis of the fry and the broodstock and the resultsare:• Prostaglandin in the blood of broodstock are low as compared to normal values.• Eicosanoids levels in the larvae were below the normal levels. 1. With these results, what major dietary nutrients would you order to be analyzed ?2. Wat major nutrients would you suspect is inadequate and are causing these problems. (Bearin mind that this is a freshwater fish.)3. Discuss what are the role of this/these nutrients in Fish breeding and immune responses.
- Why antibacterial drugs are ineffective against: A. Fungal Infections B. Viral infections C. Helminthic worm infectionsAre bacterial growth and infection in the host necessary forthe production of toxins? Explain and cite examples for youranswerAll of the following might lead to a disease caused by an opportunistic pathogen except __________. View Available Hint(s) for Part A changes in diet hormonal changes immune suppression an encounter with an infected animal
- Observe the following maps (a)–(c) of three diseases. Determinewhich show endemic, sporadic, or epidemic pattern, and explain whatfeatures have helped you to make this decision.Students in our classes sometimes ask how it is possible for a singleenteric carrier to infect 1,000 people at a buffet or for a box turtle toexpose someone to food infection. We always suggest that they usetheir imagination. Provide a detailed course of events that would leadto these types of outbreaks.A report from the U.S. National Academy of Sciencesand the National Academy of Medicine is recommendingthat germ-line therapy trials only be consideredfor serious conditions for which there is no reasonablealternative treatment option, and where both the risk–benefit options and broad oversight are available. Is thiskind of procedure ethical?
- In 2005 a typhoid outbreak in Delmas, South Africa, prompted the widespread testing of food andwater sources to ascertain the origin of the outbreak. However, the origin of the outbreak couldnot be definitively traced. In your view, what could have been the possible reasons for this state ofaffairs?For Items 52 to 56, match Column A with Column B. COLUMN A 52. Multi-causation disease53. Long latent period54. Chronic disease55. Transmissible/ infectious diseases56. Infestations COLOUMN B A. Communicable DiseaseB. Non-Communicable DiseaseC. Both Communicable and Non-CommunicableDiseasesConsiderthefollowingscenarioandanswerthequestionsthatfollow: Scenario:anaquaticsnailisplacedinatesttubefilledwithwaterand placedinasunnyenvironment. 1.Doesphotosynthesisoccur? 2.Doescellularrespirationoccur? 3.Willtheorganismliveordieifit remainsinthisenvironment? 4. Justify your answer to #3.