A Patient Two Day Status Post a Three Way Coronary

A patient two day status post a three way coronary artery bypass graft procedure has a blood glucose level of 44 and is diaphoretic and shaking in bed. He states he doesn't feel well. What would be the most appropriate intervention for this patient?

A) Administer Intravenous Dextrose 50 bolus.
B) Give 3 glucose tablets followed by 4 ounces of orange juice.
C) Change the bag of normal saline to dextrose 5% at 200 mL/ hour.
D) Monitor the patient for seizures or change in mental status.