43.有些腭裂病人在咽部後壁會有一肌肉形成的突起,以利發音,此構造稱為:
(A)Passavant's ridge
(B)Laskin's ridge
(C)von Langenbeck's ridge
(D)Wardrill's ridge

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統計: A(336), B(20), C(83), D(16), E(0) #1032378

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