A 35-year-old Caucasian female presents with anemia, malaise, bloating, and diarrhea. Past genetic testing revealed that this patient carries the HLA-DQ2 allele. The physician suspects that the patient's presentation is dietary in cause. Which of the following findings would definitively confirm this diagnosis?
ACT scan showing inflammation of the small bowel wall
BBiopsy of the duodenum showing atrophy and blunting of villi
CBiopsy of the colon showing epithelial cell apoptosis
DEsophageal endoscopy showing lower esophageal metaplasia
ELiver biopsy showing apoptosis of hepatocytes
Which of the following is not elevated in a child presenting with jaundice, icterus, pruritus and clay-colored stools?
ASerum amylase
BGlutamate dehydrogenase
CLactate dehydrogenase
DCreatine kinase
A patient is found to have sun-sensitive dermatitis, diarrhea, and dementia. He must be suffering from the deficiency of which of the following?
AIron
BRiboflavin
CNiacin
DFolic acid
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