Entero 2

Question 1

Within the species of Salmonella enterica are 6 subspecies:

Answer 1

• S. enterica subsp. enterica (also called subspecies I)
• S. enterica subsp. salamae (subspecies II)
• S. enterica subsp. arizonae (subspecies IIIa),
• S. enterica subsp. diarizonae (subspecies IIIb)
• S. enterica subsp. houtenae (subspecies IV),
• S. enterica subsp. indica (subspecies VI).

Question 2

Within the S. enterica subsp. enterica (also called subspecies I) are 3 serotypes:

Answer 2

• Salmonella serotype Typhi
• Salmonella serotype Choleraesuis,
• Salmonella serotype Paratyphi

Question 3

Salmonella spp.
IDENTIFICATION: BIOCHEMICAL CHARACTERISTICS

All species are motile except

Answer 3

S. serotype Pullorum and S. serotype Gallinarum

Question 4

Salmonella spp.
IDENTIFICATION: BIOCHEMICAL CHARACTERISTICS

All produce gas except:

Answer 4

S. serotype Gallinarum and S. serotype Typhi

Question 5

Salmonella spp.
IDENTIFICATION: BIOCHEMICAL CHARACTERISTICS

All produce H2S except:

Answer 5

S. serotype Paratyphi A

Question 6

Salmonella spp.

IMVIC Reaction:

Answer 6

-+-+

Question 7

IMVIC Reaction of S. serotype Typhi

Answer 7

-+–

Question 8

Salmonella spp.

TSI

Answer 8

K/A + gas; with H2S

Question 9

S. serotype Typhi TSI:

Answer 9

K/A, (-) gas, + H2S

Question 10

Salmonella spp.
SPECIMEN IDENTIFICATION

1ST week of infection

Answer 10

BLOOD

Question 11

Salmonella spp.
SPECIMEN IDENTIFICATION

2nd week of infection

Answer 11

STOOL

Question 12

Salmonella spp.
SPECIMEN IDENTIFICATION

3rd week of infection

Answer 12

URINE

Question 13

Other name of S. dysenteriae

Answer 13

Shiga bacillus

Question 14

Other name for S. flexneri

Answer 14

Strong’s bacillus;
Flexner’s bacilli

Question 15

Other name for S. boydii

Answer 15

Boyd’s bacilli;
Newcastle- Manchester’s bacilli

Question 16

Other name for S. sonnei

Answer 16

Sonne-Ducal bacilli

Question 17

Shigella Species:

Answer 17

S. dysenteriae (Group A)
S. flexneri (Group B)
S. boydii (Group C)
S. sonnei (Group D)

Question 18

MOT: (4 Fs) of shigella

Answer 18

flies, fingers, food and feces

Question 19

Shigella VIRULENCE FACTORS

Answer 19

Shiga toxin

Question 20

Shigella ANTIGENIC STRUCTURE

Answer 20

Somatic O

Question 21

Causative agent of Bacillary dysentery

Answer 21

S. dysenteriae type I

Question 22

Characterized by: acute inflammatory colitis and boody diarhhea (blood, mucus and WBCs in stool)

Answer 22

Bacillary dysentery

Question 23

IMVIC reaction of shigella:

Answer 23

v+–

Question 24

TSI of shigella

Answer 24

K/A (-) gas; (-) H2S