question
How would you characterize Neisseria?
answer
Oxidase positive
Gram negative
diplococci
Gram negative
diplococci
question
What media to use to diagnose Neisseria from genital specimen?
answer
MTM and chocolate
question
Can Neisseria meningitis grow on blood agar?
answer
yes (gonorrhea cannot)
question
Which Neisseria cannot use carbohydrates. It is DNase positive:
answer
Moraxella
question
Is normal flora Neisseria fastidious, only grow on chocolate and MTM?
answer
No, they will grow on blood, they are easy to grow.
question
Neisseria gonorrhoeae CTA sugars:
answer
glucose
question
Neisseria meningitidis CTA sugars:
answer
Maltose and glucose
question
Lactamase CTA sugars:
answer
lactose, maltose, and glucose
question
Neisseria gonarrhoeae types:
answer
types 1 and 2 are more virulent
question
Can we treat gonarrhoeae with penicillin?
answer
No
question
What is the name of Neisseria meningitis in the blood stream?
answer
Meningococcemia
question
What is the major meningitis virulence factor?
answer
capsule
question
Meningitis vaccine:
answer
meningococcal: for A,C,Y,W serotypes
question
purple color test:
answer
oxidase positive test
question
Newborn blindness:
answer
ophthalmia neonatorum
question
What organism causes newborn blindness?
answer
Neisseria gonorrhea
question
ALA negative, requires X and V factors
answer
influenzae
question
Requires X factor, Weakly beta hemolytic:
answer
ducreyi
question
ALA positive, requires V factor
answer
parainfluenza
question
Requires X and V factors, beta hemolytic
answer
hemolyticus
question
Are all species of haemophilus pathogenic?
answer
no
question
What organism causes shipping fever?
answer
pasteurella
question
Francisella growth requirements?
answer
isolate on blood cysteine glucose agar with thiamine
question
What organism is rat bite fever?
answer
streptobacillus
question
What is normal flora of oral cavity, but causes gum disease and tooth decay?
answer
capnocytophaga
question
X factor:
answer
hematin or hemin, blood
question
V factor:
answer
NAD, yeast and bacteria
question
Why cant haemophilus grow on SBA?
answer
NADase. Enzyme that breaks down NAD
question
Legionella growth:
answer
BCYE with iron and L-cysteine
question
Undulant fever (cat scratch fever)
answer
brucella
question
Most frequent infection from Pasteurella:
answer
House cat bites cause wound infections called Pasteurellosis
question
LAL perforin positive haemophilus:
answer
doesn't require hemin
question
What organism is chancroid?
answer
H. ducreyi
question
HACEK Groups:
answer
Haemophilus, Aggregatibacter, Cardiobacterium, Eikenella, and Kingella
question
Eikenella odor:
answer
bleach
question
Bordetella causes:
answer
Pertussis (whooping cough)
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