腭中线裂开
A.纵行骨折 B.不对称骨折 C.LefortⅠ型骨折 D.LefortⅡ型骨折 E.LefortⅢ型骨折
参考答案:A
解析:腭中线为前后纵行方向。
A diamond or ruby is a jewelry that is often used to decorate valuable ornaments or other special objects such as rings or necklaces.
新生儿败血症感染主要途径是
A.皮肤黏膜B.呼吸道C.消化道D.脐部E.医源性感染