Other Master Degree-Master in Advanced Studies in Teaching and Learning 1st Year AUDITORY PHYSIOLOGY(Kerala University of Health Sciences-2013)

QP Code:104377                            Reg.No.: ……………………

              First Year MASLP Degree Examinations - November 2013

                                AUDITORY PHYSIOLOGY

 

 

Time: 3 Hours                                                     Max Marks: 80

 

• Answer all questions

 

Essay (5x16=80)

 

1 Describe ear canal transfer function, resonance and head shadow effect. Add a note on the anatomy of the external ear  and compare it with that of primates. Explain briefly the muscles, blood supply and innervations of the auricle. (6+5+5)

 

2 What is the role of acoustic reflex in hearing. What mechanism in the neuro-auditory pathway mediates reflex phenonomenon. Describe the anatomy and physiology of the eustachian tube. (8+8)

 

3 Discuss cochlear potentials. Describe the mechanical transduction in outer hair cells (6+10)

 

4 How do you analyze the functioning of the efferent auditory pathway. Explain the course of the facial nerve and its importance in auditory physiology. (8+8)

 

5 Describe the role of neurotransmitters in precipitating disorders of the auditory system. Explain this with reference to noise induced hearing loss and tinnitus. (16)

 

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Earning:  ₹ 7.05/-