15 Questions
Which of the following is a major metabolic process common to all members of the Enterobacteriaceae family?
Fermentation of glucose
Which of the following is a common property shared by all members of the Enterobacteriaceae family?
They have cytochrome oxidase
What is the predominant habitat of Enterobacteriaceae organisms in humans and other animals?
Large intestine
Patients infected with which enteric pathogen have a high incidence of reactive arthritis and Reiter syndrome?
Salmonella
What distinguishes Enterobacteriaceae from nonfermenting gram-negative rods based on metabolic reactions?
Ability to reduce nitrates to nitrites
Which of the following is NOT a common property shared by all members of the Enterobacteriaceae family?
Have cytochrome oxidase
What distinguishes Enterobacteriaceae from nonfermenting gram-negative rods based on metabolic reactions?
Nitrate reduction
Patients infected with which enteric pathogen have a high incidence of reactive arthritis and Reiter syndrome?
Salmonella
What is a major anatomical location common to all members of the Enterobacteriaceae family?
Large intestine
Which metabolic process is common to all members of the Enterobacteriaceae family?
Reducing nitrates to nitrites
Match the following Enterobacteriaceae pathogens with their names:
Klebsiella = Pathogen A Salmonella = Pathogen B Escherichia coli = Pathogen C Shigella = Pathogen D
Match the following properties with their corresponding metabolic processes common to all Enterobacteriaceae members:
Facultative anaerobes = (1) Glucose fermentation = (2) Cytochrome oxidase absence = (3) Nitrate reduction to nitrite = (4)
Match the following autoimmune diseases with their associated enteric pathogens:
Reactive arthritis and Reiter syndrome = Pathogen A Enteric pathogen causing high incidence of autoimmune diseases = Pathogen B Autoimmune diseases linked to certain enteric pathogens = Pathogen C High incidence of reactive arthritis and Reiter syndrome in patients infected with which enteric pathogen = Pathogen D
Match the following Enterobacteriaceae features with their anatomical location and metabolic processes:
Anatomic location in humans and animals = (1) Facultative anaerobes in the large intestine = (2) Metabolic process of glucose fermentation = (3) Absence of cytochrome oxidase = (4)
Match the following gram-negative rod groups with their distinguishing metabolic reactions:
Enterobacteriaceae = Metabolic reaction A Nonfermenting gram-negative rods = Metabolic reaction B Distinguishing metabolic reaction for Enterobacteriaceae = Metabolic reaction C Metabolic reaction absent in Enterobacteriaceae = Metabolic reaction D
Test your knowledge about Enterobacteriaceae, a diverse group of gram-negative rod-shaped bacteria that includes important pathogens such as Klebsiella, Salmonella, and Escherichia coli. Learn about their prevalence in the colon of humans and animals and their role as part of the normal flora.
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