A 17-Year-Old Girl Is Admitted to the Hospital Due to Purging

question 1365

Multiple Choice

A 17-year-old girl is admitted to the hospital due to purging behavior, weight loss, and syncope.  Nasogastric feeds are initiated, and her activities are restricted.  On the second day of admission, the patient reports severe shortness of breath and has recurrent episodes of nonsustained ventricular tachycardia.  Blood pressure is 82/55 mm Hg, pulse is 112/min, and respirations are 22/min.  BMI is 14 kg/m².  Physical examination shows an emaciated girl with bibasilar crackles and jugular venous distension.  Serum chemistry results are as follows: A marked increase in which of the following hormones best explains this patient's deterioration?

• A)Aldosterone
• B)Cortisol
• C)Glucagon
• D)Insulin
• E)Triiodothyronine

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