What is the function of the medial nucleus of trapezoid body in sound localization?
A. (A) send inhibitory signals of the ipsilateral side to the LSO
B. (B) send excitatory signals of the ipsilateral side to the LSO
C. (C) send inhibitory signals of the contralateral side to the LSO
D. (D) send excitatory signals of the contralateral side to the LSO
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Why old men cannot hear the mosquito ringtone?
A. (A) decreased high frequency sensitivity
B. (B) increased hair cell numbers
C. (C) dysfunction of semicircular canals
D. (D) all of the above
Which type of transduction can be evoked when the hair cell bundles deflect?
A. (A) chemical electrical transduction
B. (B) mechanoelectrical transduction
C. (C) thermal electrical transduction
D. (D) electromechanical transduction
Which structure is involved in body balance?
A. (A) external auditory meatus
B. (B) middle ear cavity
C. (C) semicircular canals
D. (D) auricle
Which is not the basic structure of the brain?
A. (A) gray matter
B. (B) white matter
C. (C) ventricles
D. (D) fissures
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