E.coli + Klebsiella+ proteus

Question 1

How does proteus spp. promote calculi formation ?
A) urease production
B) H2S production
C) deamination

Answer 1

A) urease production

Question 2

which E. coli species causes stool to have blood, mucus, pus? (‘15 final)
A) Enteroinvasive E. coli
B) Enteroaggregative E. coli
C) Enteropathogenic E. coli

Answer 2

A) Enteroinvasive E. coli

Question 3

Which is a characteristic of E.Coli?

Answer 3

Pink colonies on MacConkey agar

Question 4

What is a characteristic of Klebsiella?

Answer 4

Capsule

Question 5

Which of the following causes HUS?

Answer 5

E.Coli O157

Question 6

Which of the following bacteria causes atrophy of the
nasal mucosa? (‘12 final)
1-Klebsiella Ozaenea
2- yersinia

Answer 6

1-Klebsiella Ozaenea

Question 7

An 18-month old child presented with diarrhea, which was described and nonspecific and neither bloody nor watery. Lab results showed the bacteria “escherechia coli” with characteristic attaching and effacing lesions in the intestine. What type of E.coli is this?
A) Enteroinvasive E. coli 
B) Enteroaggregative E. coli 
C) Enteropathogenic E. coli 
D) Enterohaemorrhagic  E. coli

Answer 7

C) Enteropathogenic E. coli

Question 8

Which of the following organisms result in hemolytic uremic syndrome?
A) Enterohemorrhagic E.coli and shigella dysenteriae type-1
B) Enteroaggregative E. coli and shigella flexneri
C) Enteropathogenic E. coli

Answer 8

A) Enterohemorrhagic E.coli and shigella dysenteriae type-1

Question 9

A 1-day-old infant developed severe diarrhea. What is the likely cause? * final 2009

Answer 9

Enteropathogenic E.coli (EPEC)

Question 10

What is the similarity between E.coli and Klebsiella? *Final 2009

Answer 10

They both ferment lactose

Question 11

A man presented with stones in his urinary tract. He was later diagnosed with a proteus infection. What product of proteus might have contributed to the formation of these stones? (11’ final)
A) Urease
B) protease

Answer 11

A) Urease

Question 12

Which type of E.coli causes dysentery illness?
A- Enterotoxigenic E. coli (ETEC)
B- Enteroinvasive E. coli (EIEC)
C- Enteropathogenic E. coli (EPEC)

Answer 12

B- Enteroinvasive E. coli (EIEC)

Question 13

An 18-month old child presented with diarrhea, which was described and nonspecific and neither bloody nor watery. Lab results showed the bacteria “escherechia coli” with characteristic attaching and effacing lesions in the intestine. What type of E.coli is this?

Answer 13

Enteropathogenic E.coli

Question 14

Which of the following organisms result in hemolytic uremic syndrome?

Answer 14

Enterohemorrhagic E.coli and shigella dysenteriae type-1

Question 15

What bacteria is responsible for the contamination of Blood cultures?

Answer 15

E.coli

Question 16

Antigens of which of the following organisms are used in Weil Felix test? (FB2 2013)
A.klebsiella
B.proteus mirabilis
C.E.coli
D. proteus vulgaris

Answer 16

proteus vulgaris

Question 17

Which diarrhoeagenic E. coli causes diarrhea in HIV/AIDS patients and persistant diarrhea? (Final 2013)
A. Enteroinvasive E. coli
B. Enterohemorrhagic E.coli
C. Enterotoxigenic E.coli
D. Enteroagregative E.coli

Answer 17

Enteroagregative E.coli