12 Questions
What is the role of T cells in humoral immunity?
Recognize antigen on B cells
Which cells present antigens to ingest and disable bacteria?
Phagocytes
What is the main function of B lymphocytes in humoral immunity?
Secrete antibodies
What is the significance of coordinating the innate and specific immune system in response to extracellular bacteria?
To eliminate bacteria
What is the main function of plasma cells?
Secrete antibodies
Which class of antibody is good at causing antigen clumping and activating complement?
IgE
What is the role of IgD antibodies?
None of the above
In the activation of B cells in response to an antigen, what is the correct order of the steps?
4, 5, 3, 2, 1
What is the function of toll-like receptors?
To defend against extracellular bacteria
What is opsonization?
Coating substance with an opsonin
What would be impaired in individuals with mutations in toll-like receptors?
The ability to defend against extracellular bacteria
What happens when MHC class I expression is reduced on a cell?
The cell becomes susceptible to killing by NK cells
Test your knowledge on how antibodies protect the body and the immune response process. Identify the roles of plasma cells, memory B cells, and the secretion of antibodies in defending against pathogens.
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