A male patient with type 1 diabetes is on a basal/ bolus regimen of 10 units of glargine at bedtime and flexible dosing with aspart using 1:10 for carbohydrates (insulin/carbohydrate ratio [I:CHO]) and 1:50 for corrections (insulin sensitivity factor [ISF]) The patient feels odd and checks his blood glucose, which reads 50 mg/dL on the glucometer. Which is the most appropriate course of action for the patient to take?
a. Take 1 unit of aspart insulin because the ISF is 1:50.
b. Do nothing until the next scheduled meal and injection time.
c. Take 15 g of fast-acting sugar and 1 unit of aspart insulin because the I:CHO is 1:15.
d. Take 15 g of fast-acting sugar and recheck in 15 minutes.