Podcast
Questions and Answers
What is the significance of pili in Neisseria gonorrhoeae?
What is the significance of pili in Neisseria gonorrhoeae?
- Inhibit phagocytosis by neutrophils (correct)
- Prevent the organism from adhering to host tissues
- Promote the action of IgG antibodies
- Directly cause inflammation in body tissues
What is the primary function of LOS (lipooligosaccharide) in Neisseria meningitidis?
What is the primary function of LOS (lipooligosaccharide) in Neisseria meningitidis?
- Mediate damage to body tissues (correct)
- Block inflammatory responses
- Prevent antigenic variation
- Serve as a protective device for the organism
Why are types T3 through T5 of N.gonorrhoeae considered avirulent?
Why are types T3 through T5 of N.gonorrhoeae considered avirulent?
- They lack pili (correct)
- They possess high adherence to host cells
- They inhibit phagocytosis by neutrophils
- They directly damage host tissues
What is the role of IgA protease in Neisseria species?
What is the role of IgA protease in Neisseria species?
Which protein in Neisseria species is protective against the host's inflammatory response and serum complement-mediated killing?
Which protein in Neisseria species is protective against the host's inflammatory response and serum complement-mediated killing?
Which Neisseria species is always pathogenic and not considered part of the normal biota?
Which Neisseria species is always pathogenic and not considered part of the normal biota?
What is the primary reason that Neisseria gonorrhoeae and Neisseria meningitidis are considered strict human pathogens?
What is the primary reason that Neisseria gonorrhoeae and Neisseria meningitidis are considered strict human pathogens?
Which Neisseria species, although primarily a commensal in dogs, has been isolated from dog bites in humans?
Which Neisseria species, although primarily a commensal in dogs, has been isolated from dog bites in humans?
What is a characteristic shared by pathogenic Neisseria species that contributes to their virulence?
What is a characteristic shared by pathogenic Neisseria species that contributes to their virulence?
Which type of habitat do pathogenic Neisseria species typically inhabit in the human body?
Which type of habitat do pathogenic Neisseria species typically inhabit in the human body?
