Q: 1. Differentiate the three (3) components of Epidemiological Triad a. Agent b. Host c.…
A: A critical assumption of epidemiology is that in a population the occurrence of most diseases and…
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Q: 1. Realize through computation the four form of the infectious disease: (i) Subclinical Form (ii)…
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Q: Why do symptoms of certain viral infections occur after having disappeared for a period of time?
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A: Virus is a microscopic organism which contains a protective coat and the nucleic acid. It doesn’t…
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Q: A. Define the term pathogen. B. Using MRSA, NOROVIRUS, ATHLETES FOOT and MALARIA as examples,…
A: A. Define the term pathogen. B. Using MRSA, NOROVIRUS, ATHLETES FOOT and MALARIA as examples,…
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Q: 18.Put the following in the correct order to describe the pattern of disease: period of…
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A: Answer is b.)identify risk factors that result in high frequencies of disease.
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Q: Write a chain of infection for a communicable disease…. all sections include and how the link can be…
A: The process by which an infectious disease spreads in a community is called chain of infection.…
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Q: 3. What host characteristics influence the development of infection?
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Q: Distinguish between direct and indirect transmission of disease.Cite at least one example of each
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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Explain the steps involved in using Koch's postulate to establish the link between a suspected…
A: Koch's postulates These are four criteria designed to establish a causative relationship between a…
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Q: The epidemiological or disease triangle is a model of disease causation that proposes three factors…
A: The disease triangle a tool for understanding how infectious diseases occur in populations and how…
Q: What is the importance of virulence factors? How is this helpful to the microbe? Provide three…
A: Answer: VIRULENCE FACTORS = These are the factors produced by microorganisms which can cause disease…
Q: 1. Using evidence from the text, what caused the black death (bubonic plague)? How did it spread…
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Q: factors to consider when handling a stool sample in a clinical parasitology laboratoy?
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Q: 1.Based on the experience of the Philippines with the dengue vaccine, what can you conclude…
A: Dengue:A viral infection found mostly in tropical as well as sub-tropical climates and one of the…
Q: 1. Realize through computation the form of the infectious disease: (i) Subclinical Form (ii) Acute…
A: Chronic diseases are becoming an enormous problem in many countries; in fact, it is the leader in…
Q: List three ways the body can protect itself against viral or bacterial infections.
A: The immune system intervenes, acting as a serious bouncer. White blood cells and other substances…
Q: II Why do you think it would be important for epidemiologists to track minor genomic changes in the…
A: 11. Why do you think it would be important for epidemiologists to track minor genomic changes in the…
Q: a. What are some of the sources for “new” infectious diseases?b. Comment on the sensational ways in…
A: Infectious disease is those which passed person to person by insects, secretions like cough and…
Q: briefly define the following: 1. droplet transmission 2. vector-borne transmission 3. nosocomial…
A: Transmission: Transmission is defined as the transfer of a pathogen that causes communicable…
Q: 1. Using evidence from the text, what caused the black death (bubonic plague)? How did it spread…
A: Infectious diseases are caused by harmful microorganisms, including bacteria, viruses, fungi, and…
Q: If a microorganism cannot be cultivated into pure culture, how will its pathogenicity be established…
A: Pathogenicity is the property by which the disease causing capacity of microorganism is measured. A…
Q: More than a century ago, Robert Koch realized that to prove the germ theory of disease, he would…
A: Postulates of Robert Koch : 1. A specific microorganism is always related with a given disease. 2.…
Q: 1. (1pt) What is epidemiology? 2. (2pt) Match the outbreak to its proper description. A. endemic A…
A: Answer 1) Epidemiology is the study of frequency , pattern and the causes and risk factors of health…
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- 1. What are the six components of the chain of infection? How does each component affect the cycle of the chain of infection? 2. Give a short list of the different ways on how to transmit a certain disease. Provide an example for each. 3. Why do you think proper handwashing is extremely important? 4. How are hazardous materials classified? What is NFPA and its functions?1) What is dumping syndrome?what is the cause,symptoms,and the cure of it ? One paragraph1. Why do people who are immunized sometimes still get the flu? 2. What do the letter A,H, and N stand for in the name A(H5N1)? 3. Why are epidemiologists particularly concerned about bird influenza viruses?
- 1. If a microorganism cannot be cultivated into pure culture, how will its pathogenicity be established in a host? (KOCH'S POSTULATE) a. What are the general factors that must interplay for disease to develop? b. Why are koch's postulate not useful in determining etiology of a viral disease?1. a. Why would "vaccinating and revaccinating 80% of people in an endemic area within 4-5 years" achieve eradication in the case of smallpox? b. Explain the financial cost of eradication of smallpox..1. What are the different infectious disease categories? Briefly explain each. Zoonotic Disease Emerging Infectious Disease Vector-Borne Disease 2. What happens during infection? 3. What is infectious disease and what causes it?
- 1)How can viruses be beneficial? 2. Name two important features of retroviruses and give an example of one. 3. Why do you think that nomadic societies are less likely to support extremely virulent viruses? 4. What was the role of filtration in the discovery of viruses? 5. Imagine a new respiratory virus that spreads via contact, droplet, and airborne transmission and we have no medical measures to stop the infection. Outline public health measures (non-medical interventions that can reduce the spread of a disease) that can be taken to slow down the spread of this virus.Which of the following statements reflects the pathogenesis of influenza virus? A-The virus frequently establishes persistent infections in the lung B-Viremia is common C-The virus enters the host in airborne droplets D-Viral infection does not kill cells in the respiratory tract E-Pneumonia is not associated with secondary bacterial infectionsQ3) More than a century ago, Robert Koch realized that to prove the germ theory of disease, he would have to develop a standard for determining causation that would stand the test of scientific scrutiny. (a) Discuss how the principles of Robert Koch's postulate play an important role in modern epidemiology. (b) Explain how an asymptomatic patient can infect another person to the point of causing the person to experience acute symptoms and possibly death.
- a. What are some of the sources for “new” infectious diseases?b. Comment on the sensational ways in which some tabloid mediaportray the dangers of infectious diseases.According to the natural history of disease model, the time before the precursors of disease and the host interact is called the period of: A. Prepathogenesis B. Pathogenesis C. Primogenesis D. B and C1)What was the role of filtration in the discovery of viruses. 2) Imagine a new respiratory virus that spreads via contact, droplet, and airborne transmission and we have no medical measures to stop the infection. Outline public health measures (non-medical interventions that can reduce the spread of a disease) that can be taken to slow down the spread of this virus.