The decibels above which auditory fatigue occurs is: (A) 60 db, (B) 70 db, (C) 85 db, (D) 140 db
Answer is C. A daily exposure up to 85db is about the limit people can tolerate without substantial damage to their hearing.Auditory fatigue: It appears in the 90dB region and greatest at 400Hz. It may be associated with side effects such as whistling and buzzing in the ears.Park 23e pg: 742