Exam 4

Question 1

What is unique to salmonella?

Answer 1

Capsular Vi antigen +

Question 2

Is salmonella or Shigella motile?

Answer 2

Salmonella

Question 3

What differentiates Shingella from salmonella?

Answer 3

Hydrogen sulfite negative for Shingella

Question 4

Proteus only decarboxylates…

Answer 4

Ornithine

Question 5

Proteus, deamination of ….

Answer 5

Phenylalaine and tryptophane *

Question 6

Protease is H2S _____, nitrate _____, and Urease ______***

Answer 6

All three positive

Question 7

Morganeanella is PAD ____

Answer 7

+

Question 8

Has F1capsular antigen, safety pin shaped

Answer 8

Plague -Y Petis

Question 9

Yersinia enteroclitoica causes…

Answer 9

Dyesentery

Question 10

Yersinia is motile expect for _________ at ROOM TEMP, not motile at 37 (body temp)

Answer 10

Pestis

Question 11

What is the optimal growth for Yersinia?

Answer 11

Room temperature, but slow growing

Question 12

What produces bull’s-eye colony under the microscope? This is special to the bacteria

Answer 12

Yersina enterocolitica

Question 13

Yersinia is decarboxylase …

Answer 13

Negative

Question 14

Describe the growth and colonies of Yersinia

Answer 14

Non-hemolytic, small, pinpoint, colonies, fried egg colonies (due to viral infection???)

Question 15

Serratia: red pigment producer….

Answer 15

Prodigiosin

Question 16

Seen commonly in cystic fibrosis patients

Answer 16

Pseudomonas

Question 17

Is bacteria has a high survival rate, and is resistant to soap and weak disinfectants

Answer 17

Pseudomonas

Question 18

Selective media for pseudomonas

Answer 18

Cetrimide (acetamide)

Question 19

Pseudomonas pigment….

Answer 19

Pyocyanin, pyocerdine, pyorubin

Question 20

Associated with gastroenteritis, and is motile

Answer 20

Aeromonas

Question 21

Bacteria that needs Cary-Blair transport medium to be transported to the lab ***

Answer 21

Aeromonas

Question 22

Bacteria that Loves freshwater

Answer 22

Aeromonas

Question 23

Aeromonas- CIN media: has ______ center

Answer 23

Pink

Question 24

Aeromonas is ________ hemolytic

Answer 24

Beta

Question 25

What differs Pleisomonas from Aeromonas?

Answer 25

LACK of pink center on CIN media

Question 26

Pleisomonas is decarboxlase….

Answer 26

Triple positive

Question 27

What is a special characteristic of Campylobacter?

Answer 27

Growth at 42°C

*motile

Question 28

Campylobacter causes…

Answer 28

Gastroenteritis (blood and secretory)

Question 29

Campylobacter:

Decarboxylase…
Hemolytic…

Answer 29

Triple positive

Hemolytic-NO

Question 30

Foodborne, zoonotic pathogen that causes gastroenteritis

Answer 30

Acrobacter

Question 31

What is the optimal growth for Acrobacter?

Answer 31

30°C

Question 32

Helicobactor:

If from stomach sample urease is ____
If sample is from liver or gallbladder, it will be _______.

Answer 32

+, -

Question 33

Chromobacterium: ___________ present for pigment production, incubated aerobically to see pigment production

Answer 33

Tryptophane

Question 34

Does Achromobactor produce pigment?

Answer 34

no

Question 35

Pink eye caused by ___________ and needs V and X factor

Answer 35

H. Influenza

Question 36

Hemophilis with no factors….

Answer 36

Aphro

Question 37

Hemophilis with no X factor…

Answer 37

‘PARA’

Question 38

Hemophilis with no V factor…

Answer 38

Ducrey and aphro

Question 39

Delta aminolevulinic acid test positive…

Answer 39

all PARA

Question 40

All HACEK cause….

Answer 40

Endocarditis

Question 41

-dog or cat bite
-musty odor
-No growth on MAC

Answer 41

Pastuerella

Question 42

-cat scratch disease
-Catalase, oxidase, urease, indole negative

Answer 42

Bartonella

Question 43

-growth in artificial media
-complex enriched media
-lack cell wall

Answer 43

Mycoplasma and Ureaplasma