能量多普勒的优点是()。 A.帧频更高 B.可显示微弱多普勒信号 C.计算血流速度更

题型:单项选择题

问题:

能量多普勒的优点是()。

A.帧频更高

B.可显示微弱多普勒信号

C.计算血流速度更准确

D.计算血流量更准确

E.混叠

考点:超声医学与技术(医学高级)技术部分技术部分题库
题型:单项选择题

工作零线与相线在一个横担架设时,导线相序排列是:面向负荷从左侧起为_。

A.(N)、A、B、C

B.A、B、(N)、C

C.A、(N)、B、C

D.C、(N)、B、A

题型:单项选择题

脑卒中患者体检发现右眼球外展位、不能内收并上下视困难,左侧肢体肌力2度,腱反射左侧(++),右侧(++),左倾Babinski征阳性。诊断为()

A.Benedit综合征

B.Millard-Gubler综合征

C.Locked-in综合征

D.Wallenberg综合征

E.Weber综合征

题型:单项选择题

阅读短文,判断正误(正“T”,误“F”)

     Tom Davies is not old, but he does not have much hair (头发). His wife Grace has thick, beautiful,

black hair. Mr and Mrs Davies have one daughter. Her name is Jane, and she is four and a half years old.

There is a photo of her father in the living-room, and a few days ago Jane looked at it for a long time and

then said to her mother,"Mummy, why has Daddy got very little hair?" 

     Grace laughed and said, "He's got very little hair because he thinks a lot, Jane. He's a clever man." 

     Jane looked at her mother's thick, black hair for a few seconds, and then she asked, "Mummy, why

have you got a lot of hair?"

( ) 1. Tom Davies is young, but he does not have much hair.

(     ) 2. Mr. and Mrs. Davies have only a daughter.

(     ) 3. Their daughter Jane is a student.

( ) 4. Mr. Davies has got little hair because he works very hard.

(     ) 5. Jane's mother has thick, black hair.

题型:单项选择题

我国南极昆仑站位于南纬80°,东经77°附近,海拔4087米,某日这里的科考队观察到的太阳高度变化如图所示。请回答下题。

小题1:下列光照图与该日相符的是

A.①②

B.③④

C.③⑤

D.①④小题2:关于昆仑站地理环境的叙述,正确的是

A晴天少,经常下大雪  

B紫外线强度大

C 常年刮东风           

D 考察期间经常可以欣赏美丽的激光

小题3:该日昆仑站太阳高度达到最大值时,北京时间约为

A  2:52       B   9:08   C  10:08    D   14:52

题型:单项选择题

左侧精索静脉回流入()

A.股静脉

B.肾静脉

C.上腔静脉

D.下腔静脉

E.肠系膜静脉

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