Enterobacteriaciae Flashcards
What type of bacteria is Escherichia coli commonly known as?
E. coli
True or False: Salmonella can cause foodborne illness.
True
Fill in the blank: Shigella is primarily transmitted through __________.
fecal-oral route
Which species of Yersinia is known to cause the plague?
Yersinia pestis
Klebsiella pneumoniae is often associated with which type of infections?
Pneumonia
What is the primary laboratory test used to identify Salmonella?
Culture on selective media
True or False: Serratia marcescens is known for producing a red pigment.
True
What is the primary mode of transmission for Yersinia enterocolitica?
Contaminated food or water
Fill in the blank: Citrobacter species are often found in the __________ tract.
intestinal
What is a common symptom of an E. coli infection?
Diarrhea
Multiple choice: Which of the following is NOT a common type of Salmonella? A) Salmonella Typhimurium B) Salmonella Enteritidis C) Salmonella Pneumonia D) Salmonella Heidelberg
C) Salmonella Pneumonia
What is the significance of Shiga toxin produced by some E. coli strains?
It can cause severe gastrointestinal illness and hemolytic uremic syndrome.
True or False: Klebsiella is resistant to many antibiotics.
True
Fill in the blank: The primary infection associated with Shigella is __________.
bacillary dysentery
What laboratory method is commonly used to identify Yersinia pestis?
Biphasic culture or serologic tests
Multiple choice: Which of the following is a common source of Serratia infections? A) Contaminated water B) Soil C) Hospital equipment D) All of the above
D) All of the above
What are the main reservoirs for Salmonella species?
Animals, especially poultry and reptiles
True or False: Citrobacter can cause opportunistic infections in immunocompromised patients.
True
Fill in the blank: The primary treatment for severe E. coli infections may include __________.
supportive care
What is the primary virulence factor of Yersinia pestis?
Plasmid-encoded virulence factors
Multiple choice: Which type of E. coli is associated with urinary tract infections? A) EHEC B) ETEC C) UPEC D) EAEC
C) UPEC
What symptoms are commonly associated with Salmonella infection?
Fever, diarrhea, abdominal cramps
True or False: Shigella infections are typically self-limiting.
True
Fill in the blank: Klebsiella species can produce __________, which contributes to antibiotic resistance.
extended-spectrum beta-lactamases (ESBLs)
What is a common diagnostic test for Shigella?
Stool culture
Multiple choice: Which of the following bacteria is known for its ability to survive in harsh environments? A) E. coli B) Yersinia C) Klebsiella D) Serratia
C) Klebsiella
What type of toxin is produced by some strains of Shigella?
Shiga toxin
True or False: Serratia is primarily a human pathogen.
False
Fill in the blank: Citrobacter freundii can cause __________ infections.
urinary tract
What is the transmission route for E. coli O157:H7?
Contaminated food or water
Multiple choice: Which organism is commonly associated with gastroenteritis? A) Shigella B) Yersinia C) Citrobacter D) All of the above
D) All of the above
What is the mechanism of action of Shiga toxin?
Inhibits protein synthesis in host cells
True or False: Yersinia enterocolitica can mimic appendicitis.
True
Fill in the blank: The primary habitat of Klebsiella is __________.
soil and water
What is a key feature of Serratia marcescens in the lab?
It produces a characteristic red pigment.
Multiple choice: Which bacterium is known for its lactose fermentation ability? A) E. coli B) Salmonella C) Shigella D) Yersinia
A) E. coli
