12 Questions
Which bacterial pathogens possess a capsule that protects them from phagocytosis?
Haemophilus influenza
What symptoms are part of the triad associated with bacterial meningitis?
Fever, headache, stiff neck
Which type of bacteria causes Hib-caused meningitis in children under 4 years?
Haemophilus influenza type b (Hib)
What is the main virulence factor of Haemophilus influenza?
Capsule
Where is Haemophilus influenza commonly found in the human body?
Upper respiratory tract and mouth
How does Hib-caused meningitis spread among individuals?
Direct contact, secretions, or aerosols
Haemophilus influenza, Neisseria meningitidis, and Streptococcus pneumoniae possess a capsule that makes them vulnerable to phagocytosis.
False
Opportunistic pathogens causing bacterial meningitis include group A streptococci and certain Gram-negative bacteria.
False
Hib-caused meningitis primarily occurs in children under the age of 2 years.
False
Non-capsulated strains of Haemophilus influenza are present in the nasopharynx of 5-10% of healthy individuals.
False
Hib-caused meningitis spreads only through direct contact and secretions, not through aerosols.
False
The virulence factor of Haemophilus influenza is peptidoglycan.
False
Learn about the common symptoms of bacterial meningitis such as fever, headache, stiff neck, and more. Understand the role of pathogens like Haemophilus influenzae, Neisseria meningitidis, and Streptococcus pneumoniae in causing the disease. Explore the factors contributing to the high mortality rate of bacterial meningitis.
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