属被覆粘膜属咀嚼粘膜属特殊粘膜 ["牙龈粘膜","舌腹粘膜","口底粘膜","舌背粘膜","颊粘膜"]
龈牙组纤维根间组纤维牙骨膜组纤维牙槽龈组纤维 ["纤维起于牙槽嵴顶，呈放射状向牙冠方向走行，止于牙颈部的牙骨质","自牙颈部牙骨质，向牙冠方向散开，广泛地位于牙龈固有层中","自牙槽嵴向冠方牙龈固有层展开，止于游离龈中","起自根分叉处的牙根间骨隔顶，至根分叉区牙骨质","自牙颈部的牙骨质，越过牙槽嵴,止于牙槽突骨密质的表面"]
Miles手术适应于距肛门() ["A．5cm","B．6cm","C．7cm","D．8cm","E．12cm"]
正常人进行深呼吸而使每分通气量增加2倍时，机体将发生什么变化() ["A．肺泡通气量也必定增加2倍","B．肺泡氧气分压增加2倍","C．动脉血氧饱和度将增加2倍","D．动脉血氧饱和度将增加10%","E．每分钟肺泡通气量增加不到2倍"]
用无菌持物钳打开无菌包顺序为() ["A．先对侧后近侧","B．先近侧后对侧","C．近侧或对侧","D．以上都不对","E．以上都对"]
釉柱晶体的宽约釉柱晶体的厚约釉柱晶体的长度约
