43 下列何者不是造成老年性聽損(presbycusis)的原因之一?
(A)毛細胞缺損(loss of hair cells)
(B)血管紋萎縮(atrophy of stria vascularis)
(C)基底膜失去彈性(elasticity loss of the basilar membrane)
(D)聽小骨接縫退化(degeneration of the ossicular joint)

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統計: A(2), B(0), C(6), D(149), E(0) #1029690