Podcast
Questions and Answers
What is the primary role of macrophages and neutrophils in the immune response?
What is the primary role of macrophages and neutrophils in the immune response?
- Activate antigen-specific effector cells
- Recognize common features of pathogens and provide the first line of defense (correct)
- Initiate the adaptive immune response
- Generate memory to prevent re-infection
When does the adaptive immune response become necessary?
When does the adaptive immune response become necessary?
- Only in the presence of specific antigens
- When the innate immune response fails to eliminate a pathogen (correct)
- Simultaneously with the innate immune response
- After the pathogen has been controlled by the innate immune response
What is the function of dendritic cells, macrophages, and B cells in lymphocyte activation?
What is the function of dendritic cells, macrophages, and B cells in lymphocyte activation?
- Recognize common features of pathogens and provide the first line of defense
- Generate memory cells to prevent re-infection
- Express co-stimulatory molecules and activate naive T cells (correct)
- Initiate the adaptive immune response
What is the power of the adaptive immune response attributed to?
What is the power of the adaptive immune response attributed to?
What happens if lymphocytes encounter a self antigen?
What happens if lymphocytes encounter a self antigen?
What is the primary function of innate immune cells in the immune response?
What is the primary function of innate immune cells in the immune response?
What is the role of antigen presenting cells (APCs) in the immune response?
What is the role of antigen presenting cells (APCs) in the immune response?
What is the function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the significance of clonal expansion in adaptive immunity?
What is the significance of clonal expansion in adaptive immunity?
What is the primary characteristic of lymphocytes' cell surface receptors?
What is the primary characteristic of lymphocytes' cell surface receptors?
Where do components of the immune system originate?
Where do components of the immune system originate?
What is the role of dendritic cells in the immune response?
What is the role of dendritic cells in the immune response?
What is the function of Toll receptors in cell communication and signaling?
What is the function of Toll receptors in cell communication and signaling?
What is the main characteristic of innate immunity?
What is the main characteristic of innate immunity?
Which immune site collects antigen from the blood?
Which immune site collects antigen from the blood?
What is the function of B cells in the immune system?
What is the function of B cells in the immune system?
What is the role of T cells in the immune system?
What is the role of T cells in the immune system?
Where do lymphocytes have no functional activity until they encounter antigen?
Where do lymphocytes have no functional activity until they encounter antigen?
What type of immune response can almost any foreign antigen mount?
What type of immune response can almost any foreign antigen mount?
What is the main characteristic of adaptive immunity?
What is the main characteristic of adaptive immunity?
What is the primary function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the primary function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the significance of clonal expansion in adaptive immunity?
What is the significance of clonal expansion in adaptive immunity?
What is the primary role of macrophages and neutrophils in the immune response?
What is the primary role of macrophages and neutrophils in the immune response?
What happens if lymphocytes encounter a self antigen?
What happens if lymphocytes encounter a self antigen?
What is the main characteristic of innate immunity?
What is the main characteristic of innate immunity?
What is the primary role of Toll receptors in cell communication and signaling?
What is the primary role of Toll receptors in cell communication and signaling?
Where do components of the immune system primarily originate?
Where do components of the immune system primarily originate?
What is the significance of clonal expansion in adaptive immunity?
What is the significance of clonal expansion in adaptive immunity?
What is the primary function of mucosal-associated lymphoid tissue in the immune system?
What is the primary function of mucosal-associated lymphoid tissue in the immune system?
What is the primary role of dendritic cells in the immune response?
What is the primary role of dendritic cells in the immune response?
Where do lymphocytes have no functional activity until they encounter antigen?
Where do lymphocytes have no functional activity until they encounter antigen?
What is the primary role of macrophages and neutrophils in the immune response?
What is the primary role of macrophages and neutrophils in the immune response?
What is the function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the function of co-stimulatory molecules expressed by dendritic cells, macrophages, and B cells?
What is the significance of clonal expansion in adaptive immunity?
What is the significance of clonal expansion in adaptive immunity?
Which immune site collects antigen from the blood?
Which immune site collects antigen from the blood?