A patient has new orders for administration of peripheral parenteral nutrition (PPN). The nurse knows that PPN is most appropriate in which situation? a Therapy is expected to last longer than 2...

A patient has new orders for administration of peripheral parenteral nutrition (PPN). The nurse knows that PPN is most appropriate in which situation? a Therapy is expected to last longer than 2 weeks. b Therapy is expected to last fewer than 14 days. c A dextrose concentration of 20% is needed. d Nutritional needs are 3000 kcal/day.