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True or False
Infectious diseases are responsible for 40% of human deaths worldwide.
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- Which term would best describe the occurrence of a disease that is not normally seen, yet occasionally a case will occur, such as tetanus? 1) endemic O 2) sporadic 3) epidemic O 4) pandemicIf a disease X has a duration of 15 years and a low incidence (5 per 100,000 person-years). If another disease Y has a duration of 5 years and a low and low incidence (5 per 100,000 person years). If we compare disease X and Disease Y in the same population, we would expect: a) Better cure b) lower prevalence c) higher prevalence d) Higher incidence e) shorter durationDescribe the factors that contribute to the emergence or re-emergence of disease.
- Zoonotic disease and vectorborne disease have the same meaning and can be used interchangeably. True FalseWhat are the impacts of the following diseases on individuals and society; Covid-19, osteoporosis and HIV. Consider how the life of the individual is affected e.g. their ability to live a normal life and go to work. Also include how their community is affected, e.g. travel restrictions, cost of drug treatment, orphan children, isolation of sections of society.What common sources of infectious disease are found in your community? How can the etiologic agents of such infectious diseases spread from their source or reservoir to members of your community?
- Identify the following scenarios as either endemic, epidemic, or pandemic disease or classify descriptions as either primary, secondary, or tertiary prevention. Physical therapy for stroke patients Exercise to prevent obesity In 2009, the H1N1 strain of the flu spread to several countries Annual lung cancer screening among older adults who are long-term smokers Unvaccinated travelers to Mexico are at risk of contracting hepatitis A because of the regular presence of this disease in the area. A. Endemic B. Epidemic C. Pandemic D. Primary prevention E. Secondary prevention F. Tertiary prevention1. The leading cause of death worldwide is 2000 is due to 1) none 2) congenital disease 3) lifestyle risk factors 4) communicable disease 2. To differentiate incidence from prevalence: 1) whether the event is a new case ; time of onset of the disease 2) presence or absence of a disease ; time period is arbitrary ; rather a snapshot in time 3) number of new cases of disease during a specified period od time/population at risk 4) useful in the study of burden of chronic diseases and implications for health servicesThe constant presence of disease within a geographic area is known as? Pandemic Endemic Epidemic Sporadic
- Which of the following is NOT true of bacterial exotoxins? 1. Important in the pathogenesis of many human diseases 2. Their toxic effect can be systemic, affecting cells distant from the primary site of infection 3. None of the other four answers (All are true of bacterial exotoxins) 4. Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) 5. Some exotoxins have two components, A (active) and B (binding)With Entamoeba histolytica, the worst human transmitters of disease to other humans are people with diarrhea or dysentery. True FalseEvery employee, nurses, doctors and others who are in direct contact with any patients hospitals or in doctors chambers must adhere to infection control policies and procedures. Question options: A) True B) False