Shared Flashcard Set

Details

Neisseria
3/4/2011
24
Microbiology
Undergraduate 3
04/04/2011

Additional Microbiology Flashcards

 


 

Cards

Term
the most significant human pathogen of this genus are
Definition

Neisseria meningitidis

neisseria gonorrhoeae

Term
bacterial infection of the tissue that surrounds the brain and spinal cord (the meninges) is
Definition

meningitis

 

(meningococcal disease cuased by N. meningitidis)

Term
bacterial infection of the blood and other body organs is a form of
Definition
septicemia called meningococcemia
Term
how is meningococcal disease spread?
Definition
person-to-person close contact
Term
who is most at risk for getting meningococcal disease?
Definition

travelers to endemic areas

millitary recruits

college students

children 6mth-1yo

adolescents 12-24 yo

Term
n. meningitidis colonize the
Definition
nasopharynx
Term
syptom of n. meningitidis
Definition

asympomic mostly

 

mild sore throat

Term
when n. meningitidis crosses the mucosal barrier and enter the blood stream,
Definition
it causes mild or serious disease such as meningococcemia and/or meningococcal meningitis
Term
acute meningococcemia is
Definition

presence of n. meningitidis in blood stream

 

aggressive systemic inflammatory response

Term
symptoms of acute meningococcemia
Definition

fever, malaise

petechiae or purpura (hemorrages)

Term
fluminant meningococcemia is
Definition

severe systemic infection characterized by a rapid circulatory collapse

 

occurs in 5%-15% pt w/ acute meningococcemia

 

high mortality

Term
symptoms of meningococcal meningitis
Definition

severe headache

high fever

malaise

chills

vomtting

light sensitivity

altered mental status

convulsions/coma

petechiae or purpura may/may not present

Term
treatment of meningococcal disease
Definition
prompt antibiotic therapy is vital
Term
vaccinations exist for
Definition

serogroup a c y W135

but no B (50% of the cases)

 

effective vaccine dne for B

Term
neisseria gonococcus characteristics
Definition

obligate human pathogen

 

STD

 

localized/systemic infection

Term
symptoms of n. gonococcal disease
Definition
asymptomic, left untreated very often
Term
gonococcus disease is not protective. what is this mean
Definition

it't not like chicken pox.

it could reoccur

Term

gonococcal disease in men:

it is usually asymptomic but when it does show,

Definition

acute urethritis usually develops

painful urination, localized inflammation

Term
primary site of infection in women for gonococcal disease is 
Definition

cervix

 

symptom is often mild and non-specific

or pelvic inflammatory disease

Term
gonococcus enter the bloodstream (gonococcal bacteremia) and can infect the joints 
Definition

Disseminated gonococcal infection

DGI

Term

laboratory characterization of GC

 

Definition

gram stain, culture  (thayer-martin)

 

NAAT

Term
treatment of GD infections
Definition
antibiotic therapy
Term
vaccine for GC?
Definition
nope
Term
major problem of gonococcal disease
Definition
asymptomic males and females as unrecognized carriers
Supporting users have an ad free experience!