【简答题】左冠状动脉主要分为__________和__________两支,主要分布于 。
【单选题】Where did Al Gore spend his boyhood?
A.
A small apartment of Washington D. C.
D.
Both in the city and the countryside.
【单选题】The watchman remained at his station al night.
【判断题】Al might go to Poland to visit his brother because his exams are all over.
【单选题】徐女士,初产妇,28岁,孕2产0,足月妊娠,规律性腹痛10小时,阴道流水1小时。检查,宫口开6cm,胎先露S+1,胎膜已破,胎心率130次/分,宫缩持续40秒,间歇3分钟。上午9:30检查:产妇宫缩仍乏力,胎心率120次/分,此时不恰当的护理措施是
【单选题】徐女士,初产妇,28岁,孕2产0,足月妊娠,规律性腹痛10小时,阴道流水1小时。检查,宫口开6cm,胎先露S+1,胎膜已破,胎心率130次/分,宫缩持续40秒,间歇3分钟。产后2小时,主要护理措施是
【单选题】被称为活血行气凉血之要药的中药是( )。
【简答题】心肌血供主要来自左冠状动脉和——,其中左冠状动脉主干开始0.5—1cm处分为______________、______________。
【单选题】( )的职能是维持简单再生产和扩大社会再生产。