问题 单项选择题

甲状旁腺显像的注意事项下列哪项不正确

A.应用201Tl显像法时,最好先作201Tl显像,然后再作高锝[99mTc]酸盐显像
B.显像结束后,应对甲状腺进行触诊,了解甲状腺有否结节及其与甲状旁腺腺瘤的关系
C.采用两次显像法时,患者位置及条件应控制好
D.两次的甲状腺影像若不能很好重叠在一起,进行减影处理时会造成误差
E.应用201Tl显影法时,最好先做高锝酸盐显像,然后做201Tl显像

答案

参考答案:E

解析:应用201Tl显像法时,应先作201Tl显像,然后再作高锝[99mTc]酸盐显像,因为99mTc的康普顿散射可以进入到201Tl显像的窗范围内,影响肋201Tl显像的质量。

问答题 简答题
单项选择题

Low levels of literacy and numeracy have a damaging impact on almost every aspect of adults, according to a survey published yesterday, which offers (1) of a developing underclass. Tests and (2) with hundreds of people born in a week in 1958 graphically illustrated the (3) of educational underachievement. The effects can be seen in unemployment, family (4) , low incomes, depression and social inactivity.

Those who left school at 16 with poor basic skills had been employed for up to four years less than good readers (5) they reached 37. Professor John Bynner, of City University, who carried the research, said that today’s (6) teenagers would even encounter greater problems because the supply of (7) jobs had shrunk.

Almost one fifth of the 1,700 people interviewed for yesterday’s report had poor literacy and almost half (8) with innumeracy, a proportion (9) other surveys for the Basic Skills Agency. Some could not read a child’s book, and most found difficult (10) written instruction.

Poor readers were twice as likely to be a low wage and four times likely to live in a household where partners worked. Women in this (11) were five times as likely to be (12) depressed, (13) both tended to feel they had no control over their lives, and to trust others (14) .

Those who had low literacy and numeracy were seldom (15) in any community organization and less likely than others to (16) in a general election. There had been no (17) in the literary level of (18) reporting problems.

Alan Wells, the agency’s director, said: “ The results emphasize the dangers of developing an underclass people, who were out of work, (19) depressed and often labeled themselves as (20) . There is a circle of marginalization, with the dice against these people and their families.”

3()

A.defect

B.backwardness

C.handicap

D.scarcity