从正畸学的观点出发,乳牙邻面龋早期充填的主要目的是()
A.恢复咬合功能
B.防止食物嵌塞
C.保持牙弓长度
D.防止恒牙早萌
E.以上都是
参考答案:C
在脑桥和延髓之间横断脑干,动物将出现
A.长吸式呼吸B.喘息样呼吸C.陈-施呼吸D.比奥呼吸
When administering an intramuscular injection to a neonate, which of the following muscles would the nurse consider as the best injection site
A.Deltoid.
B.Dorsogluteal.
C.Ventrogluteal.
D.Vastus lateralis.