Question

_____ Researchers are interested inlearning more about patients who developed diabetes during the pastyear in the US. Which measure would researchers select in order tolearn more about the development of new cases ofdiabetes among US residents during the past year? (Hint: thismeasure focuses on the transition from healthy to ill, so itscalculations would not include people who, for example,were diagnosed with diabetes 30 years ago).

a) prevalence of diabetes

b) incidence of diabetes

c) mortality from diabetes

d) none of the above

_____ Identify which of the followingmeasure(s) would be impacted by a procedure that is found tocompletely cure arthritis. It should be noted that in thisexample, the treatment does not prevent arthritis fromdeveloping; however, once a person developed arthritis, they couldbe completely cured of it by undergoing this procedure. Thisprocedure would affect:

a) the prevalence of arthritis, butnot the incidence

b) the incidence of arthritis, but notthe prevalence

c) both the incidence and prevalenceof arthritis

d) neither the incidence nor theprevalence of arthritis

______ Consider the theoretical introduction of a prophylactictreatment that is 80% effective in preventing dementia fromdeveloping in elderly patients. Assume that this treatment cannotreverse dementia in those who already have developed it, but thatit is 80% effective in preventing dementia in those who have notyet shown signs. During the ten years following theintroduction of this treatment, which of the following wouldbe impacted?

a) the prevalence of dementia would beimpacted, but not the incidence of dementia

b) incidence of dementia would beimpacted, but not the prevalence of dementia

c) both the prevalence and incidenceof dementia would be impacted

d) neither the prevalence nor theincidence of dementia would be impacted