What is the difference between numbers and rates? Which is better?a.numbers= can be manipulatedb.
rates= percentages= 90% sounds high- what does the 90% mean?c.
which is better?i.straight numbers maybe better to hear and use for analysis because that elaborates on the multiple facts, it ultimately just depends on the audience you are using the information for9.What is the difference between mortality rate and death rate?a.mortality rates: is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per units of timesb.death rates: the ratio of deaths to the population of a particular area or a particular period of time calculated as a number of deaths.c.essentially they are both the same thing10. What is the difference between prevalence and incidence?11. What is Epidemiology?
a.The study and analysis of the distribution (who, when and where) and determinants of health and disease conditions in defined populations12. Describe the different components of the chemical hazards sign.
13.What is the difference between mutation, chromosome abnormalities, and teratogens. Give examples of each and what it does to the body.a.Mutationi.DNA mutation in one of a person’s genesii.Most common known cause intellectual and developmental disabilityiii.Usually autosomal or x-linkediv.Examples: Sickle cell disease (autosomal)b.chromosome abnormalitiesi.Leading cause of fetal lossii.Primary cause of mental retardationiii.2 types:1.Rearrangement of chromosome (e.g., Leukemia)2.Change in number of chromosomes (e.g., Down Syndrome)a.when a paired homologous chromosomes fail to separate (non junction) during meiosisc.Teratogensi.Impact of alcohol on the fetusii.