Podcast
Questions and Answers
What is the main function of dendritic cells in the body?
What is the main function of dendritic cells in the body?
- Break down bacterial cell walls using lysozyme
- Produce antibodies to fight off infections
- Secrete mucus to trap pathogens
- Patrol the body for antigens that cause infections (correct)
Why are the layers of the skin considered a barrier to microbes and pathogens?
Why are the layers of the skin considered a barrier to microbes and pathogens?
- Sebum production is targeted at nourishing microbial growth
- The layers of the skin are loosely packed, making it easier for microbes to penetrate
- Skin pH is kept low around 5, which is ideal for microbial growth
- They constantly shed skin cells, eliminating attached microbes (correct)
Which substance in sweat plays a role in destroying bacterial cell walls?
Which substance in sweat plays a role in destroying bacterial cell walls?
- Sebum
- Lysozyme (correct)
- Iron-binding proteins
- Salt
How do normal microbiota contribute to microbial antagonism?
How do normal microbiota contribute to microbial antagonism?
What is the specific role of iron-binding proteins in plasma during non-specific defense?
What is the specific role of iron-binding proteins in plasma during non-specific defense?
Which factor makes mucous membranes a common portal of entry for pathogens?
Which factor makes mucous membranes a common portal of entry for pathogens?
What is the function of Toll-like receptors (TLRs) in the immune system?
What is the function of Toll-like receptors (TLRs) in the immune system?
Which white blood cell type can deploy Neutrophil extracellular traps (NETs)?
Which white blood cell type can deploy Neutrophil extracellular traps (NETs)?
What is a common sign of disease that involves an abnormally large number of eosinophils in the blood?
What is a common sign of disease that involves an abnormally large number of eosinophils in the blood?
What is the primary function of interferons Type I in the immune response?
What is the primary function of interferons Type I in the immune response?
Which cells are responsible for nonphagocytic killing of pathogens by secreting antimicrobial chemicals?
Which cells are responsible for nonphagocytic killing of pathogens by secreting antimicrobial chemicals?
Which white blood cell type transforms into macrophages and can be fixed or wandering in the body?
Which white blood cell type transforms into macrophages and can be fixed or wandering in the body?
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