(Part 2) 2.3.1 Neisseria spp characteristics Flashcards
Microscopic characteristic of Neisseria is described as?
Diplococci
“Coffee beans / Kidney beans”
What is the atmospheric requirements of Neisseria?
Obligate aerobe
Capnophilic
All Neisseria are Oxidase (+) and Superoxol Catalase (+)
T or F
T
Which spp of Neisseria is always pathogenic and not part of normal flora of humans
N. gonorrhoeae
Neisseria meningitidis is a primary human pathogen that may be found as commensal inhabitant of lower respiratory tract of carriers
T or F
F
Upper respiratory
Which Neisseria transmit sexually that can cause purulent urethritis?
N. gonorrhoeae
Which Neisseria causes Bacteremia / Meningococcemia?
N. meningitidis
MOT of this Neisseria is Respiratory drople
N. meningitidis
This neisseria usually cause Ophtalmia neonatorum of the newborns
N. gonorrhoeae
N. gonorrhoeae can cause arthritis
T or F
T
Gonococcal arthritis
Virulence factor that serve as an attachment to human mucosal layer
Pili
Neisseria spp contains capsule and endotoxin?
T or F
T
This virulence factor proveids protection from the host’s immune response
- Capsule
- Slime layer
- Cytoplasmic membrane
- Outer membrane porin
Outer membrane porin
This virulence factor facilitates adherence to phagocytic and epithelial cell
Protein II
What is the specimen used for Neisseria gonorrhea?
Swabs (within 6 hrs should be plated)
What swab is used for N. gonorrhoeae?
Dacron, and rayon tipped
What swab should not be used for N. gonorrhea?
Calcium alginate
What specimen is used for N. meninigitidis
Nasopharygneal swab
Nasopharyngeal swab should be plated immediately or placed in charcoal transport media
T or F
T
Which Neisseria causes DIC and Thrombocytopenia?
N. meningitidis
This neisseria causes Conjunctivitis
N. gonorrhoeae
This Neisseria causes septicemia
N. meningitidis
This neisseria can be detected in urethral/endocervical discharge
N. gonorrhoeae
This neisseria can be detected in CSF and Blood
N. gonorrhoeae
