Gram - negative cocci, catalase positive

Question 1

The family Neisseriaceae includes the genera

Answer 1

Neisseria, Kingella, Eikenella, Simonsiella, and
Alysiella

Question 2

They are aerobic, nonmotile, non–spore-forming, gram-negative diplococcic

Answer 2

Neisseriaceae

Question 3

are known
exceptions and are rod-shaped.

Answer 3

Neisseria elongata, Neisseria weaveri, and Neisseria bacilliformis

Question 4

All species are cytochrome oxidase- and catalase-positive except for

Answer 4

N. elongata and N.
bacilliformis, which are catalase negative

Question 5

; lipid A moiety and core LOS that differentiates
it from the lipopolysaccharide found in most gram-negative bacilli and is loosely
attached to the underlying peptidoglycan

Answer 5

Lipooligosaccharide (LOS) or endotoxin

Question 6

protease that cleaves IgA on mucosal surfaces

Answer 6

Immunoglobulin A (IgA)

Question 7

 Humans are the only natural host for

Answer 7

Neisseria gonorrhoea

Question 8

is an acute pyogenic infection of nonciliated columnar and transitional
epithelium; infection can be established at any site where these cells are found.
Gonococcal infections are primarily acquired by sexual contact and occur primarily in the
urethra, endocervix, anal canal, pharynx, and conjunctiva

Answer 8

Gonorrhea

Question 9

Gnorrhea has a short incubation period of approximately

Answer 9

2 to 7 days

Question 10

is the most common site of infection in women.

Answer 10

Endocervix

Question 11

a gonoccal eye infection
during vaginal delivery through an infected birth canal. This can result in
blindness if not treated immediately.

Answer 11

ophthalmia neonatorum

Question 12

The specimen of choice for genital infecctions in men

Answer 12

urethra

Question 13

swab are inhibitory to N. gonorrhoeae

Answer 13

Calcium alginate and cotton

Question 14

Swab to be used for N. gonorrhoeae

Answer 14

Dacron and Rayon Swab

Question 15

typically does not grow on SBA

Answer 15

N. gonorrhoeae

Question 16

The medium of choice for cultivation is Chocolate agar

Answer 16

N. gonorrhoeae

Question 17

can be found as a commensal as well as an invasive pathogen

Answer 17

Neisseria meningitidis

Question 18

It is an important etiologic agent of endemic and epidemic meningitis and
meningococcemia and rarely pneumonia, purulent arthritis, or endophthalmitis.

Answer 18

Neisseria meningitidis

Question 19

Fulminant meningococcemia or meningitis

Answer 19

Neisseria meningitidis

Question 20

When sepsis becomes
fulminant and spreads rapidly causing disseminated
intravascular coagulation, septic shock or haemorrhage in the
adrenal glands occurs.

Answer 20

Waterhouse-Friderichsen syndrome

Question 21

Waterhouse-Friderichsen syndrome

Answer 21

Neisseria meningitidis

Question 22

On Gram-stained smears from specimens such as CSF
meningococci appear as intracellular and extracellular gramnegative diplococci

Answer 22

Neisseria meningitidis

Question 23

should be cultured on
SBA and Chocolate agar.

Answer 23

N. meningitidis

Question 24

N. gonorrhoeae typically does not grow on

Answer 24

SBA

Question 25

The medium of choice for cultivation is

Answer 25

chocolate agaer

Question 26

When the bacteria adhere to the nasopharyngeal mucosa it leads in a
subclinical infection or mild symtoms.

Answer 26

Neisseria meningitidis

Question 26

It is an important etiologic agent of endemic and epidemic meningitis and
meningococcemia and rarely pneumonia, purulent arthritis, or endophthalmitis.

Answer 26

Neisseria meningitidis

Question 26

when sepsis becomes
fulminant and spreads rapidly causing disseminated
intravascular coagulation, septic shock or haemorrhage in the
adrenal glands occurs.

Answer 26

Waterhouse-Friderichsen syndrome; N.meningitidis