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Questions and Answers
What bacterial component inhibits neutrophil phagocytosis and resists classical complement‐mediated bactericidal activity?
What bacterial component inhibits neutrophil phagocytosis and resists classical complement‐mediated bactericidal activity?
- Neisserial surface protein A
- Outer membrane proteins factor H‐binding protein
- Polysaccharide capsule (correct)
- Pneumococcal surface proteins
Which bacterial component may enhance bloodstream survival by facilitating intravascular replication?
Which bacterial component may enhance bloodstream survival by facilitating intravascular replication?
- Neisserial surface protein A
- Polysaccharide capsule (correct)
- Toxin pneumolysin
- Outer membrane proteins factor H‐binding protein
Which pathogen mentioned in the text is specifically known for the activation of the alternate complement pathway through its capsular polysaccharide?
Which pathogen mentioned in the text is specifically known for the activation of the alternate complement pathway through its capsular polysaccharide?
- E. coli
- H. influenzae
- N. meningitidis
- S. pneumoniae (correct)
Which component forms the Blood–Brain Barrier, regulating the passage of molecules and protecting the brain from microorganisms and toxins?
Which component forms the Blood–Brain Barrier, regulating the passage of molecules and protecting the brain from microorganisms and toxins?
Which encapsulated pathogen is mentioned as one of the most common meningeal pathogens in the text?
Which encapsulated pathogen is mentioned as one of the most common meningeal pathogens in the text?
Which outer membrane protein is known for binding to factor H, evading host immune responses?
Which outer membrane protein is known for binding to factor H, evading host immune responses?
Which bacterial component is highlighted for preferentially binding to the organism and blocking the beneficial effects of certain antibodies?
Which bacterial component is highlighted for preferentially binding to the organism and blocking the beneficial effects of certain antibodies?
What type of antibodies do bacteria like N. meningitidis block, according to the text?
What type of antibodies do bacteria like N. meningitidis block, according to the text?
Which host defense mechanisms counteract the antiphagocytic effects of the bacterial capsule?
Which host defense mechanisms counteract the antiphagocytic effects of the bacterial capsule?
What do brain microvascular endothelial cells, astrocytes, and pericytes collectively form in the text?
What do brain microvascular endothelial cells, astrocytes, and pericytes collectively form in the text?
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