question
Are Neisseria meningitidis Gram positive or negative?
answer
Gram negative
question
What shape are Neisseria meningitidis?
answer
Cocci shaped (round)
question
Are Neisseria meningitidis oxidase positive or negative?
answer
Oxidase positive
question
The oxidase test is better for distinguishing what?
answer
Gram negative organisms
question
Do Neisseria meningitidis come alone or in pairs?
answer
In pairs
question
Most Neisseria bugs are normal flora where?
answer
Upper respiratory tract or lower genital tract?
question
How is Neisseria meningitidis speciated?
answer
Carbohydrate fermentation tests
question
Neisseria meningitidis gives the positive carbohydrate fermentation for?
answer
Glucose and maltose
question
Neisseria meningitidis gives the negative carbohydrate fermentation for?
answer
Lactose and sucrose
question
Neisseria meningitidis is a __?
answer
Capnophile
question
What does a capnophile prefer?
answer
Higher CO2 concentrations
question
What temperature does Neisseria meningitidis prefer?
answer
Moderate temperatures
question
What does that make this bug?
answer
A mesophile
question
What is the primary virulence factor for Neisseria meningitidis?
answer
Large polysaccharide caspule
question
What other bug had this virulence factor?
answer
Streptococcus pneumoniae
question
This Gram negative organism produces a ___-toxin?
answer
Endo
question
What disease does Neisseria meningitidis cause?
answer
Meningitis
question
What other bacteria cause meningitis?
answer
Streptococcus agalactiae and streptococcus pneumoniae
question
What age group does this bacteria affect?
answer
Young adults- high school, college aged, military recruits
question
What is Neisseria meningitidis commonly called?
answer
Meningococcus
question
Meningococcal meningitis commonly starts out where?
answer
Upper respiratory tract
question
This organism exits in a __ state?
answer
Carrier state
question
What percent of the population carries Neisseria meningitidis in their normal flora?
answer
15-50%
question
What other organisms exist in carrier state in the upper respiratory tract?
answer
Streptococcus penumoniae and Staphylococcus aureus
question
From the respiratory tract, the organism gains access to what?
answer
The bloodstream
question
What protects the bacterium from the host defenses, allowing it time to get to the meninges?
answer
Large polysaccharide capsule
question
What are signs and symptoms of meningitis caused by Neisseria meningitidis?
answer
Inflammation of the meninges. A rash from the endotoxin.
question
The rash is an indication that DIC (disseminated intravascular coagulation) has started. This results in what if it is not controlled?
answer
The loss of limbs
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