Apatient has a fine needle aspiration with the specimen sent to cytopathology for examination. once the specimen is reviewed, it is found to be inadequate to perform the test. a new specimen must be obtained which is then examined and a diagnosis is confirmed. what modifier is appropriate to indicate that two specimens were examined?

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.