Gram Negative Cocci

Question 1

Neisseria

Answer 1

obligate aerobic

fastidious organisms

Question 2

rod shaped Neisseria

Answer 2

N. elongata

N. weaver

Question 3

pigmented Neisseria

Answer 3

N. flava
N. flavescens
N. subflava

Question 4

requires Iron thus can bind transferrin

Answer 4

Neisseria gonnorhoeae

Question 5

manner of streaking of Neisseria gonorrhoea

Answer 5

Z pattern and cross streaked with loop

Question 6

culture media for Neisseria

Answer 6

Thayer Marthine Agar
Modified Thayer Martin
Martin Lewis Medium
New York Medium

Question 7

culture media of Neisseria that can grow Mycoplasma

Answer 7

New York Medium

Question 8

standard method for Neisseria

Answer 8

Carbohydrate assimilation/utilization test

Question 9

highly specific and sensitive test for Neisseria

Answer 9

fluorescent antibody test

Question 10

confirms biochemical tests

Answer 10

coagglutination

Question 11

screening test

Answer 11

NA amplification

Question 12

confirmation/direct detection

Answer 12

chemiluminescent nucleic acid probe

Question 13

leading cause of bacterial meningitis

Answer 13

Neisseria meningitidis

Question 14

appearance of N. meningitidis in BAP

Answer 14

bluish gray

Question 15

Neisseria meningitidis disease association

Answer 15

Waterhouse-Friderichsen syndrome

Question 16

treatment for N. meningitidis

Answer 16

penicillin G

Question 17

assacharolytic gram negative cocci

Answer 17

Moraxella catarrhalis

Question 18

colonial morphology of M. cattarhalis in BAP

Answer 18

smooth, opaque, gray to white
HOCKEY PUCK APPEARANCE
WAGON WHEEL APPERANCE

Question 19

colonial morphology of N. sicca

Answer 19

dry and wrinkled

BREAD CRUMBS LIKE APPERANCE