Possible Reasons for the Difference in Alzheimer's Disease Risk for Non-Hispanic

Multiple Choice

Possible reasons for the difference in Alzheimer's disease risk for non-Hispanic white Americans compared with other racial and ethnic groups include all of the following EXCEPT:

A) genetic factors that are linked to Alzheimer's disease.
B) differences in general health such as cardiovascular disease and diabetes.
C) differences in exposure to environmental toxins such as lead and zinc.
D) stress brought about by language and employment barriers.