GNC, GNDC, and GNCB

Question 1

Neisseria gonorrhoeae

Answer 1

Only grows on chocolate
GNDC
Oxidase positive
Doesn’t ferment maltose

Question 2

Neisseria Meningitidis

Answer 2

Only grows on chocolate
GNDC
Oxidase positive
Ferments maltose

Question 3

Moraxella

Answer 3

Grows on blood and chocolate
GNC/GNCB
Oxidase and Catalase positive
Nitrate reduced
DNase positive

Question 4

Acinetobacter

Answer 4

White colonies on blood
Pink on MAC
GNCB
Oxidase negative
Oxidize glucose and lactose

Question 5

Which is associated with ICU infection?

Answer 5

Acinetobacter

Question 6

Species of Acinetobacter we see

Answer 6

A. baumannii and A. lwoffii

Question 7

Neisseria growth requirements

Answer 7

Need cysteine and iron, enriched complex media and CO2

Question 8

N. meningitidis virulence factors

Answer 8

LPS and Capsule

Question 9

N. gonorrhoeae virulence factors

Answer 9

Pili, OPA proteins, OMPs

Question 10

Virulence factors not seen in N. gonorrhoeae

Answer 10

Capsule and hemolysin

Question 11

N. gonorrhoeae in adults

Answer 11

urinary discharge, STD

Question 12

N. gonorrhoeae in babies

Answer 12

Gonococcal ophthalmia neonatorum

Question 13

NAATs

Answer 13

Sensitive but expensive, PCR or SDA

Question 14

PCR advantages

Answer 14

Specific, simple, fast, inexpensive, sensitive

Question 15

PCR limitations

Answer 15

Contamination risk

Question 16

Disease associated with N. gonorrhoeae

Answer 16

Septic arthritis

Question 17

N. Meningitidis treatment

Answer 17

vaccine for all serotypes

Question 18

Bleeding into limbs is indicative of

Answer 18

disseminated meningitis

Question 19

Strep Bovis

Answer 19

AKA strep gallolyticus or group D strep

Question 20

What bacteria is a hockey puck?

Answer 20

moraxella

Question 21

DNase

Answer 21

DNase test agar with methyl green

Question 22

Francisella

Answer 22

GNCB, poorly staining
Extremely infective
Just 10 organisms can cause infection

Question 23

Can humans transmit Francisella to other humans?

Answer 23

no

Question 25

Where does Francisella survive?

Answer 25

Water, soil, moist hay, straw, decaying carcasses

Question 26

reservoirs for Francisella

Answer 26

Mostly rabbits, also aquatic rodents, rats, squirrels, lemmings and mice

Question 27

Vectors of Francisella

Answer 27

Ticks, mosquitos and biting flies

Question 28

Which bacteria is a bioterrorism agent?

Answer 28

Tularemia

Question 29

Category A bioterrorism agents

Answer 29

Anthrax, Plague, Tularemia, Smallpox

Question 30

Tularemia vaccine

Answer 30

Partial protection

Question 31

Legionella

Answer 31

GN rods
Not transmitted or spread from person to person
Requires special media (BCYE)
Poor gram stain
Culture looks like ground glass
Oxidase and Catalase positive

Question 32

Strains of Legionella

Answer 32

L. pneumonophila and L. micdadiae

Question 33

L. pneumonophila

Answer 33

90% of cases, majority of serotypes 1-6

Question 34

L. micdadiae

Answer 34

Most common after L. pneumonophila

Question 35

What antibiotics are in a MTM plate

Answer 35

Vancomycin, Nystatin, and Colistin