以下说法正确的是A.用γ值大的胶片比用γ值小的胶片获得的对比度高 B.X线量对X线照

题型:单项选择题

问题:

以下说法正确的是

A.用γ值大的胶片比用γ值小的胶片获得的对比度高

B.X线量对X线照片对比度有直接影响

C.灰雾对X线照片对比度没有影响

D.管电压高低对X线照片的对比度没有影响

E.观片灯的亮度对照片的光学对比度有影响

考点:医技考试放射技士基础知识初级放射医学技士基础知识
题型:单项选择题

阅读理解,判断“T”误“F”。

      On New Year's Day people eat special foods for good luck.

      In Spain and some Latin American (拉丁美洲) countries, people eat twelve grapes at midnight on

New Year's Eve-one grape for good luck in each month of the new year. 

     Chinese people eat dumplings. Some are made with a coin inside. Everyone tries to find the coin for luck

and money in the New Year. Of course they don't eat the coin.

     Japanese people eat noodles on New Year's Eve and their birthdays. It may bring them good luck and

long life.

( )1. In Spain, people eat a bag of grapes for good luck in the New Year.      

( )2. Chinese people like to eat roast ducks on New Year's Eve.                

( )3. Everyone in China tries to eat the coins in the dumplings in the New Year.

( )4. Japanese people eat noodles on New Year's Eve.                           

( )5. People in different countries eat different foods for good luck.         

题型:单项选择题

关于嗅诊的描述,下列哪项不正确()

A.尿毒症患者呼吸中有氨味

B.肝昏迷患者有肝臭味

C.肺脓肿患者痰带恶臭味

D.有机磷中毒汗液有大蒜味

E.幽门梗阻呕吐物有粪臭味

题型:单项选择题

观察法是科学研究的一种基本方法,下列做法中,你认为错误的是[ ]

A.只有用肉眼观察到的情形才是真实的  

B.观察时要积极思考  

C.观察时要实事求是  

D.边观察边记录

题型:单项选择题

公务卡无法使用以下哪项还款方式()。

A.网点还款

B.电视还款

C.网上还款

D.约定还款

题型:单项选择题

患儿,1岁。半月来大便溏稀,食入即泻,面色萎黄。治疗应首选

A.参苓白术散

B.理中汤

C.附子理中汤

D.保和丸

E.四神丸

更多题库