During the past two months, Theresa has had intestinal pain after eating and diarrhea, and she's noticed blood in her feces. Additionally, she's lost about 10 pounds. Based on this information, Theresa should be tested for

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Intestinal pain, diarrhea, and blood in feces are common symptoms of inflammatory bowel disease (IBD), which includes both Crohn's disease and ulcerative colitis. Since Theresa has lost weight and has been experiencing these symptoms for two months, it is important to rule out ulcerative colitis as a potential cause. Testing will typically involve a colonoscopy and biopsy. Irritable bowel syndrome (B) can cause similar symptoms, but does not involve blood in the stool. Gastroesophageal reflux disease (C) involves symptoms such as heartburn and stomach acid regurgitation, which are not mentioned in the scenario. Gallstones (D) typically cause symptoms such as abdominal pain and nausea/vomiting, but not intestinal pain or bloody stools.

During the Past Two Months, Theresa Has Had Intestinal Pain