A 59-year-old woman has had poor appetite and lost 20 pounds the past three months. Laboratory studies show a hematocrit of 35% and MCV of 84 fL. Serum sodium is 133 mEq/L. She has a long history of hypertension and smoking. Which of the following is the most likely explanation for her weight loss?
Effect of cytokine
Effect of medication
Latent infection
Paraneoplastic syndrome
Renal insufficiency
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Cut-to-the-chase Answer (0:32):
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HY USMLE Answer (5:11):
