Enterobacteria

Question 1

Also known as friedlander’s bacillus

Causes lobar pneumonia

Answer 1

Klebsiella pnemoniae

Question 2

How would you differentiate klebsiella oxytoca from pneumoniae

Answer 2

Indole test

Question 3

This cause granuloma inguinale

Answer 3

Klebsiella granulomatis

Question 4

What bacteria can produce dnase, lipase and gelatinase

Answer 4

Serratia

Question 5

What is the second most common cause of uti

Answer 5

Proteus mirabilis

Question 6

What enterobacteria exhibits a swarming growth on blood agar

Answer 6

Proteus vulgaris and mirabilis

Question 7

What can cross react with rickettsiae

Answer 7

Proteus species

Question 8

What exotoxin activayes adenyl cyclase

Answer 8

LT1 and LT2

Question 9

What activates guanylate cyclase

Answer 9

Sta and stb

Question 10

Infant diarrhea

Answer 10

Epec

Question 11

Traveller’s diarrhea

Answer 11

Etec

Question 12

Hemorrhagic collitis

Answer 12

Ehec

Question 13

Pathogenecity of epec

Answer 13

Attachment effacement

Question 14

Pathogenicity etec

Answer 14

LT1 and LT2

sta and stb

Question 15

Pathogenicity of ehec

Answer 15

Shigatoxin

Question 16

Pathogenecity of eiec

Answer 16

Ulceration of intestinal mucosa

Question 17

Also known as bacillary dysentery

Answer 17

Shigella

Question 18

Most severe form of shigella

Answer 18

Shigella dysenteriae

Question 19

Best specimen for shigella

Answer 19

Rectal swab of an ulcer

Question 20

Incubation period of salmonella

Answer 20

8-48 hours

Question 21

Best specimen for salmonella

Answer 21

Blood or bone

Question 22

After the 2nd week what type of specimen do you use for salmonella culture

Answer 22

Stool or urine

Question 23

Drug of choice for salmonella

Answer 23

Ceftriaxone

Ciproflaxin

Question 24

Zoonotic enterobacteriacae

Answer 24

Yersinia enterocolitica

Question 25

Manifestation of yersinia enterocoliticis

Answer 25

Bloody diarrhea Mimics appendicitis