Below are descriptions of different steps in the immuneresponse. Each description has an associated letter. Use theletters to answer the questions below matching each question withthe best answer. Note, only use each letter once in answering thequestions.
A. Phagocytosis of the pathogen
B. Memory B cells recognizing an antigen and activating asecondary immune response
C. Release of interferons from an infected cell that activatesapoptosis of nearby cells
D. Antigen-presenting macrophage interacts with a helper Tcell
E. Plasma cells producing antibodies specific to an antigen
Which is the first step in the innate immune response activatingthe adaptive immune response?
Which step will occur after an individual has developed immunityto a specific pathogen?
Which step occurs directly after a macrophage recognizes apathogen through interaction with antigens on the surface of thepathogen?
Which statement describes what B cells mature into afteractivation by a T cell?
Which step describes an innate immune response to viralpathogens?
