#april2020mccqe1
A 60-year-old woman is hospitalized with a severe case of pneumonia that is treated with cephalosporins. Her condition improves over the course of therapy, and after 6 days, she develops loose stools that progresses to frequent bouts of foul-smelling, watery diarrhea with small amounts of blood over the course of 10 hours. There is associated abdominal pain, nausea and vomiting, fever, leukocytosis, and hypotension. Physical examination reveals diffuse pain on palpation, and an abdominal x-ray shows marked dilatation of the transverse colon and mucosal edema. Sigmoidoscopy is performed and reveals diffuse pseudomembranes over the colon that reveal an erythematous, inflamed muscosa when removed. Which of the following is this patient at greatest risk for?
(A) Colon cancer
(B) Colonic perforation
(C) Fistula formation
(D) Gangrenous necrosis
(E) Hemorrhage
(F) Malabsorption
(G) Vitamin deficiency
A 60-year-old woman is hospitalized with a severe case of pneumonia that is treated with cephalosporins. Her condition improves over the course of therapy, and after 6 days, she develops loose stools that progresses to frequent bouts of foul-smelling, watery diarrhea with small amounts of blood over the course of 10 hours. There is associated abdominal pain, nausea and vomiting, fever, leukocytosis, and hypotension. Physical examination reveals diffuse pain on palpation, and an abdominal x-ray shows marked dilatation of the transverse colon and mucosal edema. Sigmoidoscopy is performed and reveals diffuse pseudomembranes over the colon that reveal an erythematous, inflamed muscosa when removed. Which of the following is this patient at greatest risk for?
(A) Colon cancer
(B) Colonic perforation
(C) Fistula formation
(D) Gangrenous necrosis
(E) Hemorrhage
(F) Malabsorption
(G) Vitamin deficiency
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