Neisseria Flashcards

1
Q

Morphology Neisseria

A
Gram -
Non motile
Non spore foriming
Polysach capsule
(for Gonorrhoeae extra adhesion pili on it's surface)
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2
Q

Cultivation Neisseria Meningitidis

A

Chocolate Agar

symmetrical translucent shiny colonies

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3
Q

Biochemical activity Neisseria Gonorrhoeae

A

Oxidase +
dextrose
Maltose

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4
Q

Pathogeny Neisseria Gonorrhoeae

A

facultative intracellular parasite, obligate human pathogen

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5
Q

Virulence factors Neisseria Gonorrhoeae

A

Polysach capsule

IgA-protease

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6
Q

Diseases caused by droplet infection Neisseria Meningitidis

A

Purulent Meningitis
Septicemia
fulminant Meningococcal Septiceaemia (Shock, DIC, petechia, purpura)
Waterhouse-Friderichsen syndrome ( Adrenal insufficiency, + Fulminant meningococcal septicaemia symptoms)
Increase capillary permeability causes hypovolemia.

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7
Q

Diagnosis Neisseria Meningitidis

A

CSF, blood culture
Latex agg
Smear

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