12 Questions
Which bacterial organism is most commonly responsible for community-acquired bacterial meningitis?
Streptococcus pneumoniae
What is the primary predisposing condition that increases the risk of pneumococcal meningitis?
Pneumococcal pneumonia
Which bacterial organism is associated with meningitis predominantly in neonates but is now increasingly reported in individuals over 50 years?
Streptococcus agalactiae
What is the source of nasopharyngeal colonization that can lead to invasive meningococcal disease?
Asymptomatic carrier state
Which bacterial organism is responsible for approximately 25% of community-acquired bacterial meningitis cases?
Neisseria meningitidis
Which bacterial organism is responsible for approximately 10% of community-acquired bacterial meningitis cases?
Listeria monocytogenes
What is a predisposing condition for meningitis due to Streptococci sp., gram-negative anaerobes, Staphylococcus aureus, Haemophilus sp., and Enterobacteriaceae?
Otitis
What host factor plays a role in the risk of invasive disease following nasopharyngeal colonization?
Host immune defense mechanisms
Which bacterial organism was previously responsible for meningitis predominantly in neonates but is now increasingly reported in individuals over 50 years?
Group B Streptococcus
What is the main manifestation of bacterial meningitis associated with a CNS inflammatory reaction?
Decreased consciousness
Which bacterial organism is associated with approximately 50% of community-acquired bacterial meningitis cases?
Streptococcus pneumoniae
What is the primary route through which infection may be initiated leading to invasive meningococcal disease?
Nasopharyngeal colonization
Learn about bacterial meningitis, an acute infection within the subarachnoid space which can lead to serious neurological complications. Understand the common organisms responsible for community-acquired bacterial meningitis and predisposing conditions.
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