A nurse is caring for a client who has diabetes and a new prescription for 14 units of regular insulin and 28 units of NPH insulin subcutaneously at breakfast daily. What is the total number of units of insulin that the nurse should prepare in the insulin syringe?

The total number of units of insulin that the nurse should prepare in the insulin syringe is 42 units.

(14 units of regular insulin) + (28 units of NPH insulin) = 42 units