问题
单项选择题
闭合性气胸，肺萎陷在40%，其治疗方法是( )
A．紧急封闭伤口
B．胸腔穿刺排气
C．固定止痛
D．开胸探查
E．胸腔闭式引流
答案
参考答案：B
解析： 肺萎陷在30%以上的闭合性气胸应行胸膜腔穿刺抽气减轻肺萎陷。
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闭合性气胸，肺萎陷在40%，其治疗方法是( )
A．紧急封闭伤口
B．胸腔穿刺排气
C．固定止痛
D．开胸探查
E．胸腔闭式引流
参考答案：B
解析： 肺萎陷在30%以上的闭合性气胸应行胸膜腔穿刺抽气减轻肺萎陷。
| Mr. Faugel was convinced that student nervousness had affected their scores; to reduce the anxiety of these students who had already been tested, he gave 22 of them a beta blocker before readministration of the test. Their scores improved significantly. The other 8 students (who did not receive the beta blockers) improved only slightly. Second-time test-takers nation-wide had average improvements which were similar to those in Faugel’s non-beta blocker group. Beta blockers are prescription drugs which have been around for 25 years. These medications, which interfere with the effects of adrenalin, have been used for heart conditions and for minor stress such as stage fright. Now they are used for test anxiety. These drugs seem to help test-takers who have low scores because of test fright, but not those who do not know the material. Since there can be side effects from these beta blockers, physicians are not ready to prescribe them routinely for all test-takers. |
Beta blockers work on some physical and emotional symptoms because they
A．fool a person into a healthier stance.
B．interfere with the effects of adrenalin.
C．produce side effects worse than fine symptoms.
D．primarily change human thought processes.