ENTEROBACTERIACEAE [MOCK EXAM]

Stool of EPEC shows:

a. Watery with mucus without blood

b. Watery with blood, pus, and mucus

c. Watery with excessive blood

d. Watery with mucus

e. NOTA

A

Stool of EIEC shows:

a. Watery with mucus without blood

b. Watery with blood, pus, and mucus

c. Watery with excessive blood

d. Watery with mucus

e. NOTA

B

Stool of EHEC shows:

a. Watery with mucus without blood

b. Watery with blood, pus, and mucus

c. Watery with excessive blood

d. Watery with mucus

e. NOTA

C

Stool of EAEC shows:

a. Watery with mucus without blood

b. Watery with blood, pus, and mucus

c. Watery with excessive blood

d. Watery with mucus

e. NOTA

D

Which of the following is the most common caused of UTI?

a. E. coli

b. Colon bacillus

c. Golden coli

d. A, B, C

e. A and B

f. B and C

E

___ of the Urinary Tract Infection cases are caused by Escherichia coli

a. 95%

b. 80%

c. 90%

d. 85%

e. NOTA

C

E. coli is the 2nd common cause of which diseases:

A. Traveller’s disease

B. Achlorhydria

C. Neonatal meningitis

D. NWI

E. Bacteremia

Select all that applies

C, D, E

The most abundant aerobic flora of the GI tract

Escherichia coli

TRUE OR FALSE. All strains of E. coli exhibit O, H, and K antigen

False

Strain of E. coli that causes diarrhea

Diarrhogenic Strains of E. coli

This is when a toxin affects the intestines which causes secretion of water and electrolytes in the GIT

A. ETEC

B. EIEC

C. EHEC

D. EPEC

E. NOTA

A

What does Heat stable toxin stimulate that causes hyper secretion of water and electrolytes

Guanylate cyclase

Which strain of E. coli causes Montezuma’s revenge

A. ETEC

B. EIEC

C. EHEC

D. EPEC

E. NOTA

A

A disease that lacks gastric acid

Achlorhydria

Which strain of E. coli causes Infantile Diarrhea

A. ETEC

B. EIEC

C. EHEC

D. EPEC

E. NOTA

D

Virulence Factor of EIEC

A. Somatic pili

B. Ordinary pili

C. Verotoxin I and II

D. Invasin

E. Cytolysin

D

A test that detects the invasiveness of EIEC

Sereny Test

A toxin that can damage Vero-cell line

A. Verotoxin I

B. Verotoxin II

C. Aerobactin

D. Cytolysin

E. Pili

A

This virulence factor can be neutralized by antibodies against shiga-toxin

A. Verotoxin I

B. Verotoxin II

C. NOTA

D. AOTA

A

This virulence factor cannot be neutralized by shiga-toxin

A. Verotoxin I

B. Verotoxin II

C. NOTA

D. AOTA

B

Most common serotype in EHEC

O157:H7

EHEC is associated with?

A. HUS

B. Traveller’s disease

C. Nosocomial wound infection

D. Infantile diarrhea

E. Cystitis

A

O157:H7 is characterized by:

A. Thrombocytopenia

B. Hemolytic anemia

C. Kidney failure

D. AOTA

E. NOTA

D

Associated with consumption of undercooked contaminated hamburger from fastfoods

O157:H7

HOW CAN A MEDTECH IDENTIFY EHEC (O157:H7)?

MUG TEST: NEGATIVE

SMAC: COLORLESS

WHAT DO YOU CALL A STOOL WITH RED BLOOD

HEMATOCHEZIA

WHAT DO YOU CALL A STOOL WITH ALMOST BLACK BLOOD

MELENA

THIS CAUSES AN INFECTION ON THE NASAL CAVITY

KLEBSIELLA PNEUMONIAE SUBSP RHINOSLCEROMATIS

THIS IS LINKED TO ANTIBIOTIC-ASSOCIATED HEMORRHAGIC COLITIS

KLEBSIELLA OXYTOCA

KLEBSIELLA PNEUMONIAE IS BIOCHEMICALLY SIMILAR WITH:

A. KLEBSIELLA RHINOSCLEROMATIS

B. KLEBSIELLA GRANULOMATIS

C. KLEBSIELLA OXYTOCA

D. NOTA

C

WHAT TEST IS USED TO DIFFERENTIATE K. OXYTOCA AND K. PNEUMONIAE?

INDOLE TEST

THESE ARE BLUE OR BLUISH PURPLE RODS WITH SAFETY PIN APPEARANCE SURROUNDED BY PINK CAPSULE

DONOVAN BODIES

THESE ARE SEXUALLY TRANSMITTED DISEASE CHARACTERIZED OF BEEFY RED ULCERS IN THE GENITALS

A. DONOVANOSIS

B. GRANULOMA INGUINALE

C. RHINOSCLEROMA

D. A AND B

E. A AND C

D

IN EAEC , ______, AGGREGATES AND HAS ______________ ON CELLS

A. HEP-2 CELL LINE; STACKED-BRICK PATTERN

B. VERO CELL LINE; STACKED BRICK PATTERN

C.HEP-2 CELL LINE; SAFETY PIN PATTERN

D. VERO CELL LINE; SAFETY PIN PATTERN

A

TRUE OR FALSE. EVEN A MERE ATTACHMENT OF EAEC IN THE INTESTINAL EPITHELIUM CAN ALREADY CAUSE DIARRHEA

TRUE

ASIDE FROM THIS BEING ENTEROADHERENT E. COLI IT CAN ALSO BE AN EXTRAINTESTINAL E. COLI

DIFFUSELY ADHERENT E. COLI (DAEC)

FOR DAEC, IT IS ASSOCIATED WITH UTI, DIARRHEA AND AMONG CHILDREN, IT IS ALSO ASSOCIATED WITH?

A. CYSTITIS

B. PYELONEPHRITIS

C. HEMORRHAGIC COLITIS

D. THROMBOCYTOPENIA

E. NOTA

A

FOR DAEC, IT IS ASSOCIATED WITH UTI, DIARRHEA AND AMONG PREGNANT WOMEN, IT IS ALSO ASSOCIATED WITH?

A. CYSTITIS

B. PYELONEPHRITIS

C. HEMORRHAGIC COLITIS

D. THROMBOCYTOPENIA

E. NOTA

B

THESE ARE STRAINS OF E. COLI THAT CAUSES UTI

UROPATHOGENIC E. COLI (UPEC)

VIRULENCE FACTORS OF UPEC ARE:

A. PILI

B. INVASIN

C. CYTOLYSINS

D. AEROBACTIN

E. ALL EXCEPT FOR B

F. ALL EXCEPT FOR A

E

THIS VIRULENCE FACTOR ALLOWS ADHERENCE TO EPITHELIAL CELLS

PILI

THIS VIRULENCE FACTOR IS A HEMOLYSIN WHICH CAN INHIBIT PHAGOCYTOSIS AND CHEMOTAXIS

CYTOLYSINS

THIS VIRULENCE FACTOR CAN CHELATE IRON

AEROBACTIN

THIS IS ASSOCIATED WITH NEONATAL MENINGITIS AND SEPTICEMIA

CAPSULATED E. COLI

VIRULENCE FACTOR OF CAPSULATED E. COLI

A. K3

B. K2

C. K1

D. PILI

E. NOTA

C

DOES NOT PRODUCE GAS DURING FERMENTATION

A. ANAEROGENIC E. COLI

B. AEROGENIC E. COLI

C. E. COLI INACTIVE

D. A AND C

E. B AND C

D

TRUE OR FALSE. ANAEROGENIC E. COLI ARE NON-LACTOSE FERMENTER AND NON-MOTILE

TRUE

WHAT BACTERIA HAS A CHARACTERISTICS OF MUCOID COLONIES AND ENCAPSULATED

A. KLEBSIELLA PNEUMONIAE

B. KLEBSIELLA OZAENAE

C. KLEBSIELLA RHINOSCLEROMATIS

D. KLEBSIELLA OXYTOCA

E. AOTA

F. NOTA

E

POSITIVE OR NEGATIVE. THE RESULT/REACTION OF KLEBSIELLA SPECIES IN STRING TEST

POSITIVE

THIS IS A NORMAL FLORA OF GIT AS WELL AS THE OROPHARYNX

KLEBSIELLA SPECIES

KLEBSIELLA PNEUMONIAE SUBSP. PNEUMONIAE IS ALSO KNOWN AS?

FRIEDRICH’S BACILLUS

MOST COMMONLY ISOLATED AMONG THE KLEBSIELLA SPECIES

KLEBSIELLA PNEUMONIAE

KLEBSIELLA PNEUMONIAE IS THE NORMAL FLORA OF?

UPPER RESPIRATORY TRACT AND GASTROINTESTINAL TRACT

THIS IS ASSOCIATED WITH CONTAMINATED MEDICATIONS, IV SOLUTIONS & RESPIRATORY CARE EQUIPMENT

KLEBSIELLA PNEUMONIAE

THIS IS ASSOCIATED WITH VENTILATOR-ASSOCIATED PNEUMONIA

KLEBSIELLA PNEUMONIAE

TRUE OR FALSE. PNEUMONIA IS NECROTIC AND HEMORRHAGIC

TRUE

SPUTUM WHEN YOU ARE INFECTED WITH KLEBSIELLA PNEUMONIAE

CURRANT-JELLY LIKE

WHICH SPECIES CAUSES ATROPHIC RHINITIS?

KLEBSIELLA PNEUMONIAE SUBSP OZAENAE

THEY ARE HIGHLY ASSOCIATED WITH PLASMID-MEDIATED ESBL

KLEBSIELLA OZAENAE

THEY ARE ISOLATED FROM NASAL SECRETIONS AND CEREBRAL ABSCESS

A. KLEBSIELLA RHINOSCLEROMATIS

B. KLEBSIELLA OZAENAE

C. KLEBSIELLA PNEUMONIAE

D. KLEBSIELLA OXYTOCA

E. NOTA

B

PREFERRED SPECIMEN IN CALYMMATOBACTERIUM GRANULOMATIS

BIOPSY OF ULCERS (GENITALS)

STAINS FOR K. GRANULOMATIS

WRIGHT-GIEMSA STAIN

SELECT ALL THE FOLLOWING THAT ARE INDOLE NEGATIVE IN KLEBSIELLA SPECIES

A. K. PNEUMONIAE

B. K. OZAENAE

C. K. RHINOSCLEROMATIS

D. K. OXYTOCA

A, B, C

SELECT ALL THE FOLLOWING THAT ARE VOGES PROSKAUER POSITIVE IN KLEBSIELLA SPECIES

A. K. PNEUMONIAE

B. K. OZAENAE

C. K. RHINOSCLEROMATIS

D. K. OXYTOCA

A, C, D

SELECT ALL THE FOLLOWING THAT ARE LDC POSITIVE IN KLEBSIELLA SPECIES

A. K. PNEUMONIAE

B. K. OZAENAE

C. K. RHINOSCLEROMATIS

D. K. OXYTOCA

A, B, D

SELECT ALL THE FOLLOWING THAT ARE MALONATE POSITIVE IN KLEBSIELLA SPECIES

A. K. PNEUMONIAE

B. K. OZAENAE

C. K. RHINOSCLEROMATIS

D. K. OXYTOCA

A, C, D

ENTEROBACTER SPP. ARE FORMERLY KNOWN AS?

AEROMONAS

ENTEROBACTER SPECIES RESEMBLES WHAT BACTERIA?

A. E. COLI

B. K. PNEUMONIAE

C. K. OXYTOCA

D. E. CLOACAE

E. NOTA

B

HOW IS K. PNEUMONIAE AND ENTEROBACTER SPECIES DIFFERENTIATED?

MOTILITY

THESE SPECIES ARE KNOWN TO BE HIGHLY MOTILE AND ARE SLOW UREASE PRODUCER

ENTEROBACTER SPECIES

MOST COMMONLY ISOLATED ENTEROBACTER SPECIES

ENTEROBACTER CLOACAE

THIS IS ASSOCIATED WITH BACTEREMIA, RESPIRATORY TRACT INFECTIONS, UTI, AND WOUND INFECTION IN BURN PATIENTS

ENTEROBACTER CLOACAE

THIS SPECIE IS ISOLATED FROM WOUNDS, URINE, BLOOD, CSF

ENTEROBACTER AEROGENES

THIS IS RECOVERED FROM RESPIRATORY SAMPLES?

ENTERBACTER GERGOVIAE

ENTEROBACTER GERGOVIAE IS RARELY ISOLATED FROM?

BLOOD CULTURES

ASSOCIATED WITH NEONATAL SEPSIS AND MENINGITIS

CRONOBACTER SAKAZAKII

ENTEROBACTER SAKAZAKII SHOWS YELLOW PIGMENT AT WHAT TEMP?

25C/ROOM TEMP

IN WHICH TEST IS CRONOBACTER SAKAZAKII NEGATIVE?

A. VOGES PROSKAUER

B. DNASE

C. SMAC

D. MSA

E. NOTA

SELECT ALL THAT APPLIES

A AND C

IN WHICH TEST IS CRONOBACTER SAKAZAKII POSITIVE?

A. VOGES PROSKAUER

B. DNASE

C. SMAC

D. MSA

E. NOTA

SELECT ALL THAT APPLIES

B

THIS IS ASSOCIATED WITH OSTEOMYELITIS AFTER TRAUMA

A. ENTEROBACTER CANCEROGENOUS

B. ENTEROBACTER TAYLORAE

C. PANTOEA AGGLOMERANS

D. ENTEROBACTER AGGLOMERANS

SELECT ALL THAT APPLIES

A AND B

KNOWN TO BE TRIPLE DECARBOXYLASE NEGATIVE

PANTOEA AGGLOMERANS

THE ONLY RAPID UREASE PRODUCES UNDER ENTEROBACTER SPECIES

ENTEROBACTER GERGOVIAE

SELECT ALL THE FOLLOWING THAT ARE LACTOSE POSITIVE IN ENTEROBACTER SPECIES

A. E. CLOACAE

B. E. AEROGENES

C. E. GERGOVIAE

D. C. SAKAZAKII

E. E, CARCEROGENOUS

F. P. AGGLOMERANS

A, B, C, D

SELECT ALL THE FOLLOWING THAT ARE LDC NEGATIVE IN ENTEROBACTER SPECIES

A. E. CLOACAE

B. E. AEROGENES

C. E. GERGOVIAE

D. C. SAKAZAKII

E. E, CARCEROGENOUS

F. P. AGGLOMERANS

B, D, E, F

SELECT ALL THE FOLLOWING THAT ARE ADH POSITIVE IN ENTEROBACTER SPECIES

A. E. CLOACAE

B. E. AEROGENES

C. E. GERGOVIAE

D. C. SAKAZAKII

E. E, CARCEROGENOUS

F. P. AGGLOMERANS

B, D, E

SELECT ALL THE FOLLOWING THAT ARE ODC POSITIVE IN ENTEROBACTER SPECIES

A. E. CLOACAE

B. E. AEROGENES

C. E. GERGOVIAE

D. C. SAKAZAKII

E. E, CARCEROGENOUS

F. P. AGGLOMERANS

A, B, C, D, E

THEY ARE LACTOSE NEGATIVE BUT ONPG POSITIVE. IT ALSO SHOWS A PURPLE CENTER COLONIES IF INCUBATION IS EXTENDED?

ENTEROBACTER CARCEROGENOUS

THIS ARE OPPORTUNISTIC PATHOGENS AND ARE RESISTANT TO WIDE RANGE OF ANTIBIOTICS

SERRATIA SPECIES

ALL SERRATIA SPECIES ARE LATE LACTOSE FERMENTER EXCEPT FOR ONE WHICH IS A NON-LACTOSE FERMENTER

A. SERRATIA MARCESCENS

B. SERRATIA FONTICOLA

C. SERRATIA ODORIFERA

D. SERRATIA LIQUEFACIENS

E. NOTA

B

IN WHAT TESTS ARE SERRATIA SPECIES POSITIVE?

A. LIPASE

B. GELATINASE

C. DNASE

D. AOTA

E. NOTA

D

THIS BACTERIA IS SEEN AMONG PATIENTS UNDERGOING CHEMOTHERAPY

SERRATIA MARCESCENS

SERRATIA MARCESCENS IS RESISTANT TO WHAT DRUGS?

A. CEPHALOTIN

B. PENICILLIN

C. OXACILLIN

D. COLISTIN

E. NOTA

SELECT ALL THAT APPLIES

A AND D

A SPECIE UNDER SERRATIA THAT IS ARABINOSE FERMENTER

SERRATIA LIQUEFACIENS

SERRATIA ODORIFERA PRODUCE WHAT ODOR?

ROTTEN POTATO ODOR

WHICH BIOTYPE OF SERRATIA ODORIFERA IS

(+) INDOLE

(+) SUCOSE

(+) RAFFINOSE

(+) ODC

SERRATIA ODORIFERA BIOTYPE 1

WHICH BIOTYPE OF SERRATIA ODORIFERA IS

(+) INDOLE

(-) SUCOSE

(-) RAFFINOSE

(-) ODC

SERRATIA ODORIFERA BIOTYPE 2

HAFNIA SPECIES ARE ALSO KNOWN AS?

HAFNIA ALVEI

THIS BACTERIA IS ISOLATED FROM MANY ANATOMIC SITES IN HUMAN

HAFNIA SPECIES

IN WHAT SPECIMEN/S IS HAFNIA SPECIES RECOVERED?

STOOL AND WOUND SPECIMENS

WHAT IS THE MAJOR CHARACTERISTIC OF HAFNIA?

DELAYED POSITIVE CITRATE REACTION