Aregistered nurse is supervising a student nurse while assessing a 70-year-old client who is receiving aminoglycoside therapy. which statement about the client's condition requires correction? 1 "the client may have deterioration of the cochlea."2 "the client may have thinning of the tympanic membrane."3 "the client may have an inability to hear high-frequency sounds."4 "the client may have an inability to differentiate between consonants."