Allison Is an 18-Year-Old College Student with Type 1 Diabetes

Allison is an 18-year-old college student with type 1 diabetes. She is on NPH twice daily and Novolog before meals. She usually walks for 40 minutes each evening as part of her exercise regimen. She is beginning a 30-minute swimming class three times a week at 1 p.m. What is important for her to do with this change in routine?

A) Delay eating the midday meal until after the swimming class.
B) Increase the morning dose of NPH insulin on days of the swimming class.
C) Adjust the morning insulin injection so that the peak occurs while swimming.
D) Check glucose level before, during, and after swimming.