RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    Middle ear protects the internal ear from. high sound waves :

    A)              by the reflex action of tenser tympani and stapes muscle

    B)              by pulling inside malleus and tympanic membrane

    C)              by pulling outside the stapes and basal plates

    D)              all of the above

    Correct Answer: B

    Solution :

    Ear ossicles act as a liver system and decrease the displacement amplitude and increase the pressure amplitudes and protect the internal ear from high sound waves.


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