牙周组织与牙髓组织之间存在的交通途径为( )、( )、( )。
参考答案:根尖孔 根管侧支 牙本质小管
患儿男,因误服鼠药后出现皮肤大量瘀点瘀斑、呕血、便血、中度贫血
对该患儿急救最适当的是()
A.立即肌注乙酰胺0.1mg/kg
B.立即输注红细胞悬液
C.立即推注阿托品0.05mg/kg
D.立即静脉推注维生素K20mg
E.立即静脉推注6-氨基己酸0.1g/kg
—Did your sister pass the exam
—She failed and is in low spirits.
—I'm sorry for her.
—()
A. Thank you
B. You're welcome
C. I would think so
D. Never mind