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Questions and Answers
Which of the following statements about Enterobacteriaceae is true?
Which genera of enteric gram-negative rods can cause both gastrointestinal and extra-intestinal diseases?
Which of the following organisms is primarily extra-intestinal in causing diseases?
What is the role of fecal contamination in the transmission of organisms causing GI diseases?
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Which organism is part of the normal flora of the colon and can be pathogenic both within and outside of the GI tract?
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Which of the following is a true statement about the Enterobacteriaceae organisms?
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Which genera of enteric gram-negative rods primarily cause extra-intestinal diseases?
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What is the role of fecal contamination in the transmission of organisms causing GI diseases?
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Which of the following organisms is primarily gastrointestinal in causing diseases?
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What is the habitat of the organisms covered in the lectures?
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Study Notes
Enterobacteriaceae
- The Enterobacteriaceae family includes genera of enteric gram-negative rods that can cause both gastrointestinal and extra-intestinal diseases.
- The genera of enteric gram-negative rods that can cause both gastrointestinal and extra-intestinal diseases include Escherichia, Klebsiella, Proteus, Enterobacter, and Serratia.
Extra-intestinal Diseases
- The organism that is primarily extra-intestinal in causing diseases is Klebsiella.
- The genera of enteric gram-negative rods that primarily cause extra-intestinal diseases include Klebsiella and Serratia.
Transmission of GI Diseases
- Fecal contamination plays a significant role in the transmission of organisms causing GI diseases.
- The transmission of organisms causing GI diseases occurs mainly through the fecal-oral route.
Normal Flora and Pathogenicity
- Escherichia (E. coli) is part of the normal flora of the colon and can be pathogenic both within and outside of the GI tract.
Enterobacteriaceae Organisms
- Enterobacteriaceae organisms are typically found in the gastrointestinal tract, but can also be found in the environment and in water.
- Enterobacteriaceae organisms are gram-negative, rod-shaped, and facultative anaerobes.
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Description
Test your knowledge of gastrointestinal gram-negative rods and Enterobacteriaceae with this overview quiz. Explore the characteristics, habitats, and growth preferences of these organisms commonly found in the GI tract and other environments.
