For the past few months, Jon hasn't been feeling well. His stomach hurts, he doesn't have any energy, and he often feels like he's going to vomit. He has no interest in eating, so he's lost several pounds. Yesterday, he went to the student health center, because he had bloody diarrhea. Based on this information, Jon should be tested for ________.
A. ulcerative colitis
B. hemorrhoids
C. gallstones
D. gastroesophageal reflux disease
Answer: A
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What will be an ideal response?
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