Alcaligenes, Neisseria, and Acinetobacter

Question 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

Answer 1

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

Question 2

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

Answer 2

Neisseria meningitidis

Neisseria gonorrhoeae

Question 3

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

Answer 3

meningococcal meningitis and gonorrhea in humans

Question 4

Both species of Neisseria require _______ media for growth

Answer 4

iron-containing

Question 5

Fatty acids enhance/inhibit the growth of Neisseria?

Answer 5

Inhibit

Question 6

Neisseria ______ is the second leading cause of meningitis in humans

Answer 6

meningitidis

Question 7

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

Answer 7

developing

nasopharynx

Question 8

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

Answer 8

Children 6-24 months old

Military recruits

Question 9

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

Answer 9

IgA

Question 10

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

Answer 10

septic shock and/or meningitis

Question 11

__________ is the most common venerally transmitted disease in the US

Answer 11

Neisseria gonorrhoeae

Question 12

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

Answer 12

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

Question 13

What cells do Neisseria gonorrhoeae colonize?

Answer 13

mucosal surfaces lined with columnar epithelium cells

Question 14

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

Answer 14

Acinetobacter baumannii

Question 15

Acinetobacter can best be described as an ________

Answer 15

opportunist

Question 16

Acinetobacter is often associated with _______ infections

Answer 16

nosocomial; especially with invasive procedures and immunocompromised adults

Question 17

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

Answer 17

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