Podcast
Questions and Answers
Which type of toxin is produced by gram-negative bacteria and is composed of lipopolysaccharides?
Which type of toxin is produced by gram-negative bacteria and is composed of lipopolysaccharides?
- Superantigen
- Cytotoxin
- Exotoxin
- Endotoxin (correct)
What is the first line of defense against pathogens in the immune system?
What is the first line of defense against pathogens in the immune system?
- Inflammation response
- Physical barriers (correct)
- Phagocytosis
- Antimicrobial factors
Which immune cells play a key role in the inflammation response by releasing histamine?
Which immune cells play a key role in the inflammation response by releasing histamine?
- Dendritic cells
- Mast cells (correct)
- Macrophages
- Neutrophils
What is the primary function of the complement system in the immune response?
What is the primary function of the complement system in the immune response?
Which type of immunity involves the activation of immune cells, such as T cells and B cells, in response to specific antigens?
Which type of immunity involves the activation of immune cells, such as T cells and B cells, in response to specific antigens?
What is the primary function of memory cells in the adaptive immune response?
What is the primary function of memory cells in the adaptive immune response?
What is the primary function of Antigen Presenting Cells (APCs)?
What is the primary function of Antigen Presenting Cells (APCs)?
What is the role of MHC-2 proteins in the immune system?
What is the role of MHC-2 proteins in the immune system?
What is the primary mechanism of action of cytotoxic T cells?
What is the primary mechanism of action of cytotoxic T cells?
What is the role of interleukins in the immune system?
What is the role of interleukins in the immune system?
What is the primary function of natural killer cells?
What is the primary function of natural killer cells?
What was the primary method used by the Chinese to prevent smallpox in the early 1400’s?
What was the primary method used by the Chinese to prevent smallpox in the early 1400’s?
What is a primary purpose of Koch's postulates?
What is a primary purpose of Koch's postulates?
What is a fomite?
What is a fomite?
What is the primary mechanism by which pathogens like Staphylococcus aureus avoid host defenses?
What is the primary mechanism by which pathogens like Staphylococcus aureus avoid host defenses?
What is the primary reason why healthcare facilities are susceptible to healthcare-associated infections (HAIs)?
What is the primary reason why healthcare facilities are susceptible to healthcare-associated infections (HAIs)?
What is the primary function of IgA protease in pathogens?
What is the primary function of IgA protease in pathogens?
What is the primary mechanism of adherence used by pathogens like Streptococcus pyogenes?
What is the primary mechanism of adherence used by pathogens like Streptococcus pyogenes?
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