55.下列何項解剖構造異常,不出現在短吻犬呼吸道症候群(brachycephalic airway syndromes)?
(A)鼻孔狹窄(stenotic nares)
(B)軟顎延長(elongated soft palate)
(C)氣管增生(tracheal hyperplasia)
(D)喉囊外翻(laryngal saccule everison)
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統計: A(28), B(85), C(2188), D(158), E(0) #1588556
統計: A(28), B(85), C(2188), D(158), E(0) #1588556