Defective function of which of the following causes hyperacusis ?
Correct Answer: Any of the above
Description: Ans. is 'd' i.e., Any of the above Hyperacusis Hyperacusis is hearing normal voice as louder. The protective mechanisms a normal ear employs to minimize the harmful effects of loud noise are malfunctioning in hyperacusis. So, noise may seem too loud even with hearing protection. There is some speculation that the efferent poion of the auditory nerve is selectively damaged while the hair cells that allow us to hear pure tones in an audiometric evaluation remains intact. Some have said it involves direct malfunction of facial nerve; as a result, the stapedius muscle is unable to dampen sound.
Category:
ENT
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now