IDIT 3

Question 1

P. aeruginosa

Answer 1

Exotoxin A, Exoenzyme S (ADP-ribostransferase), type 3 secretions, and a capsule
Loves water and has 2 pigments

Question 2

Vibrio general

Answer 2

Alkaline media and curved

Question 3

V. Cholerae

Answer 3

Rice water stool

ADP ribosylation and adenylate cyclase stays active, can lead to shock and acidosis

Question 4

V. parahaemolyticus

Answer 4

Needs salt for growth
Undercooked seafood
Explosive watery diarrhea mostly in Japan

Question 5

V. vulnificus

Answer 5

Contaminated seawater and from raw oysters

High death if liver disease and no Abx

Question 6

C. jejuni

Answer 6

Highly motile, many hosts
Microaerophilic
Bloody, mucopurulent diarrhea, with Abd Cramps

Question 7

H. pylori

Answer 7

Toxin VacA, CagA with type 4 secretions

IL-8 release

Question 8

E. Coli

Answer 8

Travelers diarrhea
K antigen
Most common for UTI/Sepsis/meningitis

Question 9

S. dysenteriae

Answer 9

Cannot ferment mannitol
Actin rockets
Bloody diarrhea with pus and mucus
Type 3 secretions

Question 10

S. Flexneri

Answer 10

Actin rockets
Bloody diarrhea with pus and mucus
Type 3 secretions
Shigellosis

Question 11

S. boydii

Answer 11

Same as the other shigellas

Question 12

S. sonnei

Answer 12

Does not produce gas
Bloody diarrhea with pus and mucus
Type 3 secretions
Shigellosis

Question 13

Salmonella Typhi

Answer 13

Does not produce hydrogen sulfide
Vi antigen, capsule, lps and can reach lamina propria
SPI1 for invasion, SPI2 in macrophages
Type 3 secretion
Gallbladder resevoir

Question 14

Salmonella enteritidis

Answer 14

Same as typhi but produces gas and makes gastroenteritis and do not use Abx
Gallbladder resevoir

Question 15

Salmonella chole and dublin

Answer 15

Same as typhi except it does produce gas and septicemia

Gallbladder resevoir

Question 16

Klebsiella

Answer 16

Encapsulated, opportunistic, and lactose fermenting

Lower respiratory, blood, GU

Question 17

Proteus

Answer 17

Deaminase, Urease, and raises pH of urine
Weil felix reaction and has O antigen
Mostly GI and is hypermobile

Question 18

Yersinia

Answer 18

Enterocolitica (appendicitis like)

Cold weather dominant and from milk

Question 19

Enterobacter

Answer 19

Weak opportunistic

Lower respiratory, blood, burns, UTI

Question 20

Serratio marcescens

Answer 20

Slow fermenting
Opportunistic after Abx
Resp, UTI, OSTEOMYELITIS, and wounds

Question 21

Haemophilis influenza

Answer 21

Pediatric meningitis and sepsis
Type B(polyribosyl phosphate), IgA protease
Treat with cefotaxime and rifampin prophylaxis
Choco agar with V(NAD) and X (heme)

Question 22

Bordetella pertussis

Answer 22

Whooping cough
Adenylate cyclase toxin and induces NOS
Grow in Bordet-Gengou media
Treat with Erythromycin

Question 23

Legionella pneumophilia

Answer 23

Atipical pneumonia
Makes endosome look like rER
Grow in charcoal yeast media with Fe and cystein
Erythromycin and fluoroquinolones

Question 24

Brucella abortus/suis/melitensis

Answer 24

cattle/swine/goats
Undulating fever
Granulomas with caseation
Blood broth 
Use rifampin

Question 25

Francisella tularansis

Answer 25

Ulcerative glandular disease
Has capsule
Use tetracyclin and streptomycin
Dx with Abs

Question 26

Yersinia pestis

Answer 26

Vaccine for bubonic, not pneumonic
Coagulase produced in GI by type 3 secretions
Bipolar safety pin stain
Bubonic in lymph
treat with tetra and streptomycin

Question 27

M. pneumoniae

Answer 27

Atipical pneumonia
Looks like mulberries
Has cytoadhesions, less severe than bordetalla
ROS, superantigens bind to MHC2 and bV-TNF
Non productive cough
Use gold agglutin test, pcr, immunoblot, hybrid

Question 28

M. hominis

Answer 28

PID

Agar with arginine

Question 29

Ureaplasma urealyticum

Answer 29

Non gonococcal urithritis

Urease positive

Question 30

M. penetrans

Answer 30

HIV patients that are intracellular