合成胎儿脑磷脂所必需的长链多不饱和脂肪酸是()。
A.DHA
B.二十碳五烯酸
C.花生四烯酸
D.二十碳三烯酸
E.油酸
参考答案:A, C
Mark was a student at this university from 2006 to 2011,________he studied very hard and was made Chairman of the Students’ Union.
A.during which time
B.for which time
C.during whose time
D.by that time
患者男性,8岁,因“从2米高树上跌落1小时”来诊。患者跌落时右手掌着地,当时感右肘部疼痛难忍,继之出现肘部肿胀及功能障碍。
急诊处理的原则是()
A.检查是否颅脑损伤
B.检查患肢的血液循环情况
C.患处行临时固定后摄X线片
D.切开复位内固定
E.及时手法复位固定
F.首先清创