A nurse is collecting data from a client who has an intravenous (IV) catheter in her left forearm. The nurse should identify that which of the following findings indicates the client has phlebitis?
a) The client has cyanosis of the nail beds and pain along the vein.
b) The client's skin is cool to the touch around the insertion site.
c) The vein is hard and the skin around the insertion site is red.
d) Purulent drainage is noted at the catheter insertion site.