1. What are host defense mechanisms primarily considered to be?
2. Who is the author cited in the course content as a source for bacterial virulence factors?
3. What is the primary purpose of bacterial carriage in the human host?
Host defense mechanisms — components?
Physical barriers, chemical secretions, microbiota.
Skin as barrier — roles?
Physical, chemical, biological defenses.
Mucus role?
Traps bacteria, facilitates removal.
Chemical barriers — examples?
pH, lysozyme, antimicrobial peptides.
Microbiota — function?
Prevents pathogen colonization, supports immunity.
Virulence factors — types?
Adhesins, biofilms, enzymes, toxins, capsules.
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