The 30-year-old woman whose mother has type 2 diabetes mellitus asks the nurse what her chances are of developing diabetes because of her mother's disease. What is the nurse's best response?
A. "You have a greater susceptibility for developing the disease, with a 1 in 20 to a 1 in 50 chance."
B. "Your risk is the same as the general population, because there is no genetic risk for development of type 2 diabetes."
C. "Type 2 diabetes is inherited in an autosomal dominant pattern. Therefore, your risk for becoming diabetic is 50%."
D. "Children of people with type 2 diabetes have a 15% chance of developing the disease, but environmental factors, such as obesity, also influence your risk."
D
Type 2 diabetes shows a stronger genetic predisposition or tendency than does type 1 . The risk for people who have one parent with type 2 diabetes is at least 15% for actually developing the disease and 30% for having impaired glucose tolerance. This type of diabetes is greatly influ-enced by other modifiable variables, such as obesity and a sedentary lifestyle.
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