What is the primary distinction between an observational and an experimental analytic epidemiology study? (a) researchers randomly allocate study participants to exposure or non-exposure group(b) its focus is to identify and quantify causal relationship between an exposure and an outcome(c) measures of association is rr or rd researchers decide the level of exposure among participants(d) researchers decide the level of exposure among participants(e) it require follow up of participants to ascertain the occurrence of disease of interest
Answers: 1
Health, 23.06.2019 04:00
Hiv is inactivated in the laboratory after a few minutes of sitting at room temperature, but the flu virus is still active after sitting for several hours. what are the practical consequences of these findings? a) hiv can be transmitted more easily from person to person than the flu virusb) the flu virus can be transmitted more easily from person to person than hivc) this property of hiv makes it more likely to be a pandemic than the flu virusd) disinfecting surfaces is more important to reduce the spread of hiv than the flu
Answers: 1
Health, 23.06.2019 08:00
What typically happens when a family member has a problem with alcohol or drugs? adults in the family are affected more than children children in the family are affected more than adults. the entire family is affected. no one in the family is affected.
Answers: 2
Health, 23.06.2019 10:10
Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?
Answers: 3
What is the primary distinction between an observational and an experimental analytic epidemiology s...
English, 27.06.2019 09:00
Spanish, 27.06.2019 09:00
History, 27.06.2019 09:00
English, 27.06.2019 09:00
Mathematics, 27.06.2019 09:00