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问题 单项选择题

关于每搏量变异（SVV）的叙述，错误的是（）。

A.是通过动脉波形随正压通气而变化的幅度来判断血容量是否足够

B.SV的变异程度越大，表明有效血容量不足程度越严重

C.SVV也是临床判断血容量的参数

D.不能通过SVV来评估液体治疗效果

E.可以反映循环系统对容量治疗的敏感性

答案

参考答案：D

解析：svv是反映循环系统对容量治疗的敏感性指标，可以通过SVV来评估液体治疗效果。

单项选择题

对于已有冠心病及心肌梗死病史者还应预防再次梗死及其他心血管事件，称为（）

A.二级预防

B.五级预防

C.四级预防

D.一级预防

E.三级预防
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单项选择题

Euthanasia has been a topic of controversy in Europe since at least 1936. On an average of six times a day, a doctor in Holland practices "active" euthanasia: (1) administering a lethal drug to a (2) ill patient who has asked to be relieved (3) suffering. Twenty times a day, life prolonging treatment is withheld or withdrawn (4) there is no hope that it can (5) an ultimate cure. "Active" euthanasia remains a crime on the Dutch statute books, punishable (6) 12 years in prison. But a series of court cases over the past 15 years has made it clear that a competent physician who (7) it out will not be prosecuted.

Euthanasia, often called "mercy killing", is a crime everywhere in Western Europe. (8) more and more doctors and nurses in Britain, Germany, Holland and elsewhere readily (9) to practicing it, most often in the "passive" form of withholding or withdrawing (10) The long simmering euthanasia issue has lately (11) into a sometimes fierce public debate, (12) both sides claiming the mantle of ultimate righteousness. Those (13) to the practice see themselves (14) sacred principles of respect for life, (15) those in favor raise the banner of humane treatment. After years (16) the defensive, the advocates now seem to be (17) ground. Recent polls in Britain show that 72 percent of British (18) favor euthanasia in some circumstances. An astonishing 76 percent of (19) to a poll taken late last year in France said they would like the law changed to (20) mercy killings. Obviously, pressure groups favoring euthanasia and "assisted suicide" have grown steadily in Europe over the years.

5（）

A.effect

B.affect

C.result

D.execute
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