A nurse teaches the parents of a 5-year-old boy with type 1 diabetes about blood glucose monitoring at home. What statement by the parents indicates that the teaching has been effective?

a. we'll notify the clinic if the blood sugar is higher than 200
b. white blood cell (WBC) count
c. dry skin, increased thirst, deep rapid breathing
d. excessive thirst, dry mucous membranes, decreased urine specific gravity