Gram Negative Cocci

Question 1

Neisseria gonorrhoeae virulence factors

Answer 1

Fimbriae, lipopolysaccharide

Question 2

Gonorrhoeae transport media

Answer 2

Transgrow or JEMBEC, Dacron/rayon swab, Amies medium wl charcoal, gono-pak

Question 3

Gonorhoeae infections

Answer 3

Genitals, anal, oral-pharyngeal, eye, blood, joint

Question 4

N. Gonorrhoeae culture requirements

Answer 4

CHOC, CO2, modified thayer-martin, Martin Lewis, New York City, GC-lect

Question 5

N. Gonorrhoeae ID

Answer 5

Oxidase POS, superoxol POS, glucose fermenting, PRO POS

Question 6

Gonorrhoeae treatment/prevention

Answer 6

Ceftriaxone, tetracycline (co-infection w/ chlamydia), condoms

Question 7

Antibiotic resistant GC treatment

Answer 7

Injection ceftriaxone w/ oral azithromycin or doxycycline

Question 8

Neisseria meningitidis culture

Answer 8

Requires CO2, CHOC w/ antibiotics, Thayer Martin (VCN), GC selective

Question 9

Thayer Martin (VCN)

Answer 9

Vancomycin (kills gram pos), collistin (kills gram neg not Neisseria), nystatin (eliminates fungi)

Question 10

Meningitidis gram stain

Answer 10

Intracellular gram negative diplococci

Question 11

Meningitidis ID

Answer 11

Oxidase POS, glucose and maltose fermenting, GLUT POS

Question 12

N. meningitidis treatment/prevention

Answer 12

Vaccine for 2+, rifampin, ciprofloxin, cephalosporins

Question 13

N. lactamica fermentation

Answer 13

Glucose, maltose, lactose

Question 14

N. sicca fermentation

Answer 14

Glucose, maltose, sucrose

Question 15

Moraxella catarrhalis ID

Answer 15

Hockey puck colonies, oxidase POS, butyrate esterase (IB) POS, typically beta-lactamase POS, DNAse pos, no fermentation,