水肿CT表现为__________、____________、_________________。
癌前疾病或癌前病变(precancerousdiseaseorprecancerouslesion)
以总和为特征的膜电位包括() ["A.终板电位 ","B.突触后电位 ","C.锋电位 ","D.感受器电位 ","E.发生器电位"]
鼻窦共有哪几对() ["A.额窦 ","B.筛窦 ","C.蝶窦 ","D.上颌窦 ","E.上矢状窦"]
引起细胞兴奋性降低的因素有() ["A.静息电位增大 ","B.静息电位减少 ","C.阈电位上移 ","D.细胞外离子Ca浓度升高 ","E.阈电位下移"]
甲状腺手术中误切除甲状旁腺时()维生素D3代谢障碍时()