Neisseria And Moraxella

Question 1

Neisseria gonorrhoeae

Answer 1

always considered pathogenic regardless of specimen source

Question 2

Neisseria species

Answer 2

gram negative diplococci

coffee bean or kidney bean shaped cocci in pairs

Question 3

Neisseria gonorrhoeae media

Answer 3

MTM
ML
NYC
JEMBEC

Question 4

Neisseria meningitidis

Answer 4

capsular switching - can switch from one serotype to another expressing different capsular antigens
humans only natural host

Question 5

Neisseria gonorrhoeae ID

Answer 5

glucose (+)

Question 6

Neisseria meningitidis ID

Answer 6

glucose (+)

maltose (+)

Question 7

Neisseria lactamica ID

Answer 7

glucose (+)
maltose (+)
lactose (+)

Question 8

Neisseria sicca ID

Answer 8

glucose (+)
maltose (+)
sucrose (+)
nutrient agar (+)

Question 9

Neisseria mucosa ID

Answer 9

glucose (+)
maltose (+)
lactose (+)
sucrose (+)
nutrient agar (+)

Question 10

Neisseria subflava ID

Answer 10

glucose (+)
maltose (+)
nutrient agar (+)

Question 11

Neisseria catarrhalis ID

Answer 11

nutrient agar (+)
butyrate esterase (+)
DNAse (+)

Question 12

Moraxella catarrhalis ID

Answer 12

white grey opaque colonies that can be pushed around plate
oxidase (+)
DNase (+)
butyrate esterase (+)
B lactamase (+)