搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

中轴骨骨髓炎时，胶体骨髓显像及核素标记白细胞显像的征象是（）。

A.胶体骨髓显像及核素标记白细胞显像均放射性分布浓聚

B.胶体骨髓显像放射性分布缺损，核素标记白细胞显像放射性分布浓聚

C.胶体骨髓显像放射性分布浓聚，核素标记白细胞显像放射性分布缺损

D.胶体骨髓显像及核素标记白细胞显像均放射性分布缺损

E.以上均是

答案

参考答案：B

解析：标记白细胞可在正常骨髓浓聚，诊断中轴骨骨髓炎时应结合胶体骨髓显像，此时胶体骨髓显像病灶部位呈放射性分布缺损，核素标记白细胞显像则呈放射性分布浓聚，故本题答案为B。

填空题

Perhaps, every county suffered from inflation once or more times. Inflation is an economic condition in (B1) prices for consumer goods (B2) , and the (B3) of money or purchasing power decreases. There are three causes of inflation. The first and most important cause may be excessive government spending. For example, in order to (B4) a war or carry (B5) social programs, the government may spend more money than it has received through taxes and other revenues, thus creating a deficit. In order to (B6) this deficit, the Treasury Department can simply (B7) the money supply by issuing more paper money to (B8) the debts of government. This increase in the money supply will cause the value of the dollar to (B9) decrease. The second cause of inflation occurs when the money supply increases faster than the supply of goods. (B10) people have more money, they will run out to buy popular goods (B11) televisions and computers, for example, and a shortage will result. Industry will then produce more, at higher prices, to (B12) demand. (B13) , if people think that the prices of popular goods are going up, they will buy and even borrow money at high (B14) rates to pay for them. Finally, if labor unions demand that workers’ wages (B15) or (B16) the high cost of living, industry will meet this demand and add other costs of production on the (B17) . (B18) summary, all of these causes can (B19) inflationary problems that can affect the welfare of a nation. However, of these three causes, (B20) government spending may be the most important.

A．compensate

B．accomplish

C．exchange

D．offset
查看答案
单项选择题


备选答案在前，试题在后。每组若干题，每组题均对应同一组备选答案，每题只有一个正确答案。每个备选答案可重复选用，也可不选用。

用于治疗充血性心力衰竭和高血压病的药物是

A．地高辛
B．阿托品
C．硝普钠
D．卡托普利
E．洋地黄毒苷
查看答案