A 68-year-old man with advanced emphysematous lung changes has been hospitalized 3 times during the past winter for episodes of dyspnea. His diet is not as good as usual, but his weight has not changed during the past 2 months. Because of his breathing difficulty, he spends much of his day in and out of a reclining chair. You notice that his arms are a bit thin, with loss of muscle. There is some peripheral edema. Overall, his weight is down about 2 kg from what he considers his baseline (a 3% loss). During his last hospitalization, a serum albumin level was 3.4 g/dL, and you see that his total lymphocyte count was 1525 cells/μL. Is he appropriately nourished? Continue