You are called to see an inmate that is a confirmed insulin-dependent diabetic. He is alert but confused, is able to swallow, and is very diaphoretic. His blood sugar is 38 mg/dL. Which of the following is "most" correct?

a) The inmate is suffering from hypoglycemia and needs to raise his blood sugar with PO sugar paste or other high sugar PO intake.
b) The inmate is suffering from hyperglycemia and is in need of IV D50.
c) This inmate's blood sugar is within normal limits and something else is causing him to be confused and diaphoretic.
d) The inmate is suffering from hypoglycemia and needs an injection of 10 units of regular insulin.