A Diabetic Patient Is Admitted with Ketoacidosis and the Health

A diabetic patient is admitted with ketoacidosis and the health care provider writes all of the following orders. Which order should the nurse implement first?

A) Start an infusion of regular insulin at 50 U/hr.
B) Give sodium bicarbonate 50 mEq IV push.
C) Infuse 1 liter of normal saline per hour.
D) Administer regular IV insulin 30 U.