WorksheetsEnterobacteriaceae
Total questions: 20
Worksheet time: 10mins
All members of Enterobacteriaceae reduce nitrates to nitrites except:
Erwinia
Pantoea agglomerans
Xenorhabdus
All of these
All members of the family Enterobacteriaceae are motile except:
Klebsiella
Yersinia
Shigella
All of these
All of the following are primary culture media used in the presumptive identification of enteric organisms in the laboratory, except:
EMB
MAC
XLD
None of these
It is otherwise known as the "H antigen".
Flagellar antigen
Somatic antigen
Capsular antigen
Envelope antigen
This organism is also known as the "Colon bacillus".
E. coli
S. typhi
K. pneumoniae
None of these
It is the causative agent of “MUNTEZUMA’S REVENGE”.
ETEC
EHEC
EPEC
EAEC
Which species of Klebsiella does not produce indole?
K. oyxtoca
K. rhinoscleromatis
K. ozaenae
None of these
It is known as the "Friedlander’s bacillus".
K. pneumoniae
K. oxytoca
K. ozaenae
None of these
Formerly known as "Donovania granulomatis"
Klebsiella granulomatis
Calymmatobacterium granulomatis
Either
Neither
Causative agent of "Rhinoscleroma".
Klebsiella rhinoscleromatis
Klebsiella ozaenae
Klebsiella oxytoca
Klebsiella pneumoniae
Causative agent of chronic atrophic rhinitis.
K. ozaenae
K. pneumoniae
K. oxytoca
K. rhinoscleromatis
This organism has “fish eye” colonies on EMB.
E. coli
Klebsiella spp.
Shigella spp.
Enterobacter spp.
This organism gained notoriety with a nationwide (U.S) outbreak of septicemia resulting from contaminated IV fluids.
Pantoea agglomerans
Cronobacter sakazakii
Enterobacter gergoviae
None of these
It is found in respiratory samples and is rarely isolated from blood cultures.
Pantoea agglomerans
Cronobacter sakazakii
Enterobacter gergoviae
None of these
It produces a yellow pigment and has been documented as a pathogen in neonates causing meningitis and bacteremia often coming from powdered infant formula.
Enterobacter gergoviae
Cronobacter sakazakii
Pantoea agglomerans
All of the following organisms are able to produce pigment at room temperature, except:
Serratia marcescens
Serratia rubidea
Serratia plymuthica
Serratia liquifaciens
It is the most clinically significant species of Serratia.
Serratia marcescens
Serratia plymuthica
Serratia liquifaciens
Serratia odorifera
This is the major characteristic of Hafnia.
Delayed positive citrate reaction
Delayed positive urease reaction
Delayed positive indole reaction
Delayed positive methyl red reaction
It is easily identified by their swarming colonies on culture media.
Proteus mirabilis
Proteus vulgaris
Either
Neither
It is the only urease positive species of Providencia.
Providencia alcalifaciens
Providencia heimbachae
Providencia rettgeri
Providencia stuartii
