Final answer:
The nurse should identify tinnitus as an indication of salicylism in a patient taking aspirin for arthritis.
Step-by-step explanation:
Salicylism is a condition that can occur with high doses or prolonged use of aspirin. The symptoms of salicylism may include tinnitus, which is a ringing or buzzing sound in the ears. Therefore, the nurse should identify tinnitus as an indication that the patient is beginning to exhibit salicylism.