Alcaligenes, Neisseria, and Acinetobacter Flashcards Preview

Micro Exam 3 > Alcaligenes, Neisseria, and Acinetobacter > Flashcards

Flashcards in Alcaligenes, Neisseria, and Acinetobacter Deck (17)
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1

_______ is a gram negative, obligate aerobe that can be found in a variety of clinical materials as well as the soil, water, and intestinal tract of vertebrates as a saphrophyte

Alcaligenes; idk there's like two sentences on this one

2

What are the species of importance for Neisseria? (2)

Neisseria meningitidis
Neisseria gonorrhoeae

3

What do the two species of Neisseria cause and in what species?

meningococcal meningitis and gonorrhea in humans

4

Both species of Neisseria require _______ media for growth

iron-containing

5

Fatty acids enhance/inhibit the growth of Neisseria?

Inhibit

6

Neisseria ______ is the second leading cause of meningitis in humans

meningitidis

7

Neisseria meningitidis is more common in _____ countries and colonizes the _______ of humans

developing
nasopharynx

8

What are the two populations that have the highest risk of contracting Neisseria meningitidis?

Children 6-24 months old
Military recruits

9

_______ class antibodies can bind to Neisseria meningitidis and block the adherance of IgM and IgG

IgA

10

Majority of disease caused by Neisseria meningitidis is presented as having what?

septic shock and/or meningitis

11

__________ is the most common venerally transmitted disease in the US

Neisseria gonorrhoeae

12

What are the three toxins of Neisseria gonorrhoeae?What do they do?

Lipopolysaccharide: damages host cells
Peptidoglycan monomers: damaged ciliated epithelial cells
IgA protease: Produced by all strains of N. gonorrhoeae

13

What cells do Neisseria gonorrhoeae colonize?

mucosal surfaces lined with columnar epithelium cells

14

_______ is the species of Acinetobacter that accounts for most human infections

Acinetobacter baumannii

15

Acinetobacter can best be described as an ________

opportunist

16

Acinetobacter is often associated with _______ infections

nosocomial; especially with invasive procedures and immunocompromised adults

17

Acinetobacter has NDM1. What does that mean? What other bacteria are like this?

It means it is resistant to all beta lactams (and basically all other antimicrobials) E. coli and K. pneumoniae