Enterobacteriaceae Quiz

What is the family name of E. coli and Klebsiella?

• Enterobacteriaceae

• Streptococcaceae

• Lactobacillaceae

• Bacteroidaceae

Which of the following is a characteristic of Enterobacteriaceae?

• Form spores

• Ferment glucose

• Oxidase positive

• Gram-positive cocci

What type of pathogens are most Enterobacteriaceae considered?

• Obligate pathogens

• Opportunistic pathogens

• Primary pathogens

• Environmental pathogens

Which antigen is associated with the cell wall of Enterobacteriaceae?

• P antigen

• O antigen

• H antigen

• K antigen

What is the primary habitat of Enterobacteriaceae?

• Air

• Soil

• Intestinal tract

• Freshwater

Which of the following is NOT a clinical significance of E. coli?

• Central nervous system infections

• Pneumonia

• Diarrheal diseases

• Urinary tract infections

What is the typical morphology of E. coli?

• Bacilli

• Spirilla

• Cocci

• Vibrios

Which E. coli strain is known for causing infantile diarrhea?

• EPEC

• EIEC

• EHEC

• ETEC

What is the primary source of infection for E. coli 0157:H7?

• Contaminated water

• Vegetables

• Ground meat

• Fruits

Which biochemical test is used to differentiate Enterobacteriaceae?

• Oxidase test

• Catalase test

• IMViC test

• Coagulase test