Podcast
Questions and Answers
Which molecule is recognised by antigen-specific armed T helper cells?
Which molecule is recognised by antigen-specific armed T helper cells?
- IL-4
- Peptide:MHC complex (correct)
- CD30
- CD40 ligand
Which molecule binds to CD40 on B cells to help drive the resting B cell into the cell cycle and increase expression of co-stimulatory molecules?
Which molecule binds to CD40 on B cells to help drive the resting B cell into the cell cycle and increase expression of co-stimulatory molecules?
- 41BB
- CD30
- IL-4
- CD40 ligand (correct)
Which cytokine induces B cell proliferation?
Which cytokine induces B cell proliferation?
- IL-4 (correct)
- IL-5
- IL-6
- CD30
Which antibody is the principal isotype in blood and extracellular fluid?
Which antibody is the principal isotype in blood and extracellular fluid?
Which antibody is found in secretions such as intestine and respiratory tract?
Which antibody is found in secretions such as intestine and respiratory tract?
Which antibody tends to have low affinity and is found in blood and lymphs?
Which antibody tends to have low affinity and is found in blood and lymphs?
Which antibody can neutralize bacterial toxins?
Which antibody can neutralize bacterial toxins?
Which pathway is activated when antibody:antigen complexes bind to C1q?
Which pathway is activated when antibody:antigen complexes bind to C1q?
Which cells are triggered to release stored mediators when Fc receptors are engaged?
Which cells are triggered to release stored mediators when Fc receptors are engaged?
Which cells can be activated to respond based on the isotype of the antibody?
Which cells can be activated to respond based on the isotype of the antibody?
Which process involves antibodies binding to infected cells expressing pathogen proteins on their surface, leading to their killing by natural killer (NK) cells?
Which process involves antibodies binding to infected cells expressing pathogen proteins on their surface, leading to their killing by natural killer (NK) cells?
What is the main effector function of B cells?
What is the main effector function of B cells?
What determines the specificity of immunoglobulins?
What determines the specificity of immunoglobulins?
In what way do antibodies contribute to immunity?
In what way do antibodies contribute to immunity?
Where are antibodies usually produced?
Where are antibodies usually produced?
What is the role of the B cell receptor (BCR) in B cell activation?
What is the role of the B cell receptor (BCR) in B cell activation?
Where do most bacteria multiply?
Where do most bacteria multiply?
How do antibodies contribute to immunity against intracellular pathogens?
How do antibodies contribute to immunity against intracellular pathogens?
What do hypervariable regions of antibodies make contact with?
What do hypervariable regions of antibodies make contact with?
What is the difference between antibodies raised against intact proteins and peptide fragments?
What is the difference between antibodies raised against intact proteins and peptide fragments?
What is the main function of immunoglobulins on the B cell surface?
What is the main function of immunoglobulins on the B cell surface?
How do antibodies usually bind to intact proteins?
How do antibodies usually bind to intact proteins?
What is the specificity of antibodies determined by?
What is the specificity of antibodies determined by?
