The type of cytokine that's produced by virus-infected cells and attaches to the cell membranes of nearby noninfected cells is a/an a. opsonin. b. interferon. c. chemokine. d. interleukin

If you see someone who is injured at a workplace, the first thing you should do is a. call 9-1-1 or your local emergency number b. begin to administer first aid c. check the scene for danger d. try to discover what is wrong with the person select the best answer from the choices provided a b c d