A nurse is testing a client for conduction deafness by performing the weber's test. Which of the following actions should the nurse take when performing this test? A: place the base of the vibrating tuning fork on the client's mastoid process b:count how many seconds a client can hear a turning fork after it has been struck c: place the base of a vibrating turning fork on the top of the client's head d: move a vibrating turning fork in front of the client's ear canals one after the other