10 Questions
Which of the following is not a type of barrier protection against pathogens?
Chemical: antibodies, histamines, cytokines
Which enzyme is mentioned as a factor contributing to antimicrobial defense?
Lysozyme
What do lactoferrin and calprotectin do in the context of antimicrobial defense?
Bind metal ions needed by microbes to propagate
Which of the following is not mentioned as a component of physical barrier protection against pathogens?
Smooth muscle contractions
What is the role of psoriasin in the context of antimicrobial defense?
Acts as an antibacterial agent to prevent colonization
Which enzyme is involved in killing or inhibiting microbial growth on skin surfaces?
Lysozyme
Which protein binds metal ions needed by microbes to propagate?
Lactoferrin
Which of these is an antibacterial agent that prevents colonization?
Psoriasin
Which component is not mentioned as a type of barrier protection against pathogens?
Antibodies
Which of the following is not a mechanical barrier protection against pathogens?
Antimicrobial peptides
Test your knowledge of innate immunity with this quiz on the additional features of innate immunity. Explore topics such as barrier and antimicrobial defenses against pathogens, and the role of macrophages in phagocytosis. Images and content are derived from Kuby Immunology (7th & 8th Editions) unless otherwise noted.
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