A 66-Year-Old Patient Preparing for Surgery for Cancer of the Lung

A 66-year-old patient preparing for surgery for cancer of the lung is very thin and has a very low-normal position on the BMI chart.The nurse plans preoperative care for the patient with the knowledge that his nutritional needs include which of the following?

A) An increase in both calories and protein immediately following his surgical recovery
B) An increase in protein and calorie intake several weeks before surgery
C) A normal amount of calories for a man his age but increased protein to prepare for healing during the postoperative period
D) Fewer calories than normal for a man his age and weight because his activity will be decreased during the postoperative period