Mr. Brown is on sliding scale insulin as well as NPH insulin. His morning dose of NPH is 60 units. At 1130 he was given 10 units of Toronto insulin. You have just been informed by the CNA that Mr. Brown did not eat any of his lunch today and is looking pretty lethargic. You enter Mr. Brown's room to find him slumped over in bed and unresponsive. What should you do?
a) call a code blue
b) check for breathing and a pulse
c) check his blood sugar
d) all of the above