Internal Medicine Clostridium difficile Colitis: Review Questions Mark A. Marinella, MD, FACP, FACN, CNSP Dr. Marinella is an assistant clinical professor, Department of Internal Medicine, Wright State University School of Medicine, Dayton, OH. Choose the single best answer for each question.
	1. Which of the following is a morphologic description of Clostridium difficile colitis? Gram-negative bacillus Hydralazine Gram-positive bacillus Gram-negative coccus Gram-positive coccus Click here to compare your answer. 2. All of the following statements regarding C. difficile colitis are correct EXCEPT Chemotherapeutic drugs may cause C. difficile colitis Constipation excludes this diagnosis Ileus can occur with severe illness Most cases result from recent antibiotic use Severe disease can lead to toxic megacolon Click here to compare your answer.		3. All of the following laboratory findings may be associated with C. difficile colitis EXCEPT Anemia Hypoalbuminemia Hypermagnesemia Hypokalemia Significant leukocytosis Click here to compare your answer. 4. All of the following are treatment regimens for C. difficile colitis EXCEPT Oral metronidazole Oral vancomycin Intravenous metronidazole Intravenous vancomycin Click here to compare your answer.
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