The population of the bronx according to the 2010 united states census is approximately 1,400,800. assume 500,000 of the individuals living in this area are considered "at risk" for disease transmitted by the norway rat. if 500 existing cases of rat-transmitted disease were noted on november 17, 2008, what is the point prevalence for the disease?

The kidneys, ureter, bladder, and urethra the body maintain homeostasis through the process of a. excretion b. specialization c. respiration d. digestion

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.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: