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126139 Pathology

An epidemiologic study of children with failure to thrive is undertaken in Guatemala. Some of these children with ages 1 to 3 years have repeated bouts of diarrhea, but do not improve with dietary supplements. Jejunal biopsies show blunted, atrophic villi with crypt elongation and chronic inflammatory infiltrates. What is the most likely factor contributing to recurrent diarrhea in these children?

AAbetalipoproteinemia
BBacterial infection
CChloride ion channel dysfunction
DDisaccharidase deficiency
Pathology
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126141 Surgery

A 23-year-old man is admitted to the hospital through the emergency depament with probable appendicitis. He has been having right lower quadrant abdominal pain for several days, which has been becoming increasingly worse. His temperature 39.2 C (102.6 F), blood pressure is 80/40 mm Hg, Pulse is 120/min, and Respiratory rate is 35/min. The abdomen is rigid with guarding. Multiple petechiae and purpura are present, and the patient is oozing blood from his oral mucosa. According to the patient’s wife, he has not had bleeding problems in the past. The fact the abdomen is rigid with guarding suggests which of the following?

AColon cancer
BDiveiculitis
CLiver failure
DPeritonitis
Surgery
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