


Serum studies are most likely to show which of the following sets of findings in this patient?Ī hospitalized 57-year-old man has had severe progressive pain in his left knee since awakening 2 hours ago. Physical examination shows dry mucous membranes, erosion of enamel on the lingual surface of the front teeth, and hypertrophy of the parotid gland. She is 165 cm (5 ft 5 in) tall and weighs 57 kg (125 lb) BMI is 21 kg/m2. She has no history of serious illness and takes no medications. She reports a loss of control during these episodes, saying, "It's like I stop thinking at all and before I know it, I have eaten two pizzas." She induces vomiting several times during each binge and has developed a pattern of binging and purging every evening.

She states that she has tried to diet to improve her appearance but that food restriction often "backfires" because she becomes hungry and then engages in episodes of binge eating. She reports that she feels well but is nervous about leaving home for the first time. A 17-year-old girl comes to the office for an examination prior to entering college.
