A Mother, Distressed to Learn That Her School-Age Child Is

A mother, distressed to learn that her school-age child is diagnosed with type 2 diabetes mellitus, asks the nurse how this could happen because no one in the family has diabetes. What should the nurse explain to the mother?

A) "This is caused by the pancreas not making enough insulin."
B) "This disorder usually occurs when inadequate calories are ingested on a regular basis."
C) "Because this disorder is genetic, someone in the family will eventually develop the illness."
D) "This disorder is associated with overweight and eating a diet high in fats and carbohydrates."