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Microbiology - Bacteriology > Enterobacteriaciae > Flashcards

Enterobacteriaciae Flashcards

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Biology 101 flashcards
1
Q

What type of bacteria is Escherichia coli commonly known as?

A

E. coli

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2
Q

True or False: Salmonella can cause foodborne illness.

A

True

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3
Q

Fill in the blank: Shigella is primarily transmitted through __________.

A

fecal-oral route

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4
Q

Which species of Yersinia is known to cause the plague?

A

Yersinia pestis

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5
Q

Klebsiella pneumoniae is often associated with which type of infections?

A

Pneumonia

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6
Q

What is the primary laboratory test used to identify Salmonella?

A

Culture on selective media

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7
Q

True or False: Serratia marcescens is known for producing a red pigment.

A

True

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8
Q

What is the primary mode of transmission for Yersinia enterocolitica?

A

Contaminated food or water

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9
Q

Fill in the blank: Citrobacter species are often found in the __________ tract.

A

intestinal

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10
Q

What is a common symptom of an E. coli infection?

A

Diarrhea

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11
Q

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

A

C) Salmonella Pneumonia

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12
Q

What is the significance of Shiga toxin produced by some E. coli strains?

A

It can cause severe gastrointestinal illness and hemolytic uremic syndrome.

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13
Q

True or False: Klebsiella is resistant to many antibiotics.

A

True

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14
Q

Fill in the blank: The primary infection associated with Shigella is __________.

A

bacillary dysentery

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15
Q

What laboratory method is commonly used to identify Yersinia pestis?

A

Biphasic culture or serologic tests

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16
Q

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

A

D) All of the above

17
Q

What are the main reservoirs for Salmonella species?

A

Animals, especially poultry and reptiles

18
Q

True or False: Citrobacter can cause opportunistic infections in immunocompromised patients.

A

True

19
Q

Fill in the blank: The primary treatment for severe E. coli infections may include __________.

A

supportive care

20
Q

What is the primary virulence factor of Yersinia pestis?

A

Plasmid-encoded virulence factors

21
Q

Multiple choice: Which type of E. coli is associated with urinary tract infections? A) EHEC B) ETEC C) UPEC D) EAEC

A

C) UPEC

22
Q

What symptoms are commonly associated with Salmonella infection?

A

Fever, diarrhea, abdominal cramps

23
Q

True or False: Shigella infections are typically self-limiting.

A

True

24
Q

Fill in the blank: Klebsiella species can produce __________, which contributes to antibiotic resistance.

A

extended-spectrum beta-lactamases (ESBLs)

25
Q

What is a common diagnostic test for Shigella?

A

Stool culture

26
Q

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

A

C) Klebsiella

27
Q

What type of toxin is produced by some strains of Shigella?

A

Shiga toxin

28
Q

True or False: Serratia is primarily a human pathogen.

A

False

29
Q

Fill in the blank: Citrobacter freundii can cause __________ infections.

A

urinary tract

30
Q

What is the transmission route for E. coli O157:H7?

A

Contaminated food or water

31
Q

Multiple choice: Which organism is commonly associated with gastroenteritis? A) Shigella B) Yersinia C) Citrobacter D) All of the above

A

D) All of the above

32
Q

What is the mechanism of action of Shiga toxin?

A

Inhibits protein synthesis in host cells

33
Q

True or False: Yersinia enterocolitica can mimic appendicitis.

A

True

34
Q

Fill in the blank: The primary habitat of Klebsiella is __________.

A

soil and water

35
Q

What is a key feature of Serratia marcescens in the lab?

A

It produces a characteristic red pigment.

36
Q

Multiple choice: Which bacterium is known for its lactose fermentation ability? A) E. coli B) Salmonella C) Shigella D) Yersinia

A

A) E. coli

Microbiology - Bacteriology (6 decks)

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