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【单选题】
老人,男性,76岁。已10余小时未排尿,腹胀,为非尿路阻塞引起的尿潴留,用温水冲洗会阴的目的是A.
分散注意力，减轻紧张心理
B.
利用条件反射促进排尿
C.
清洁会阴防止尿路感染
D.
利用温热作用预防感染
E.
使老人感觉舒适
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皮皮学刷刷变学霸
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【多选题】大脑动脉环(Willis环)
A.
位于蛛网膜下隙内
B.
位于脑底下方、蝶鞍上方、视交叉灰结节及乳头体周围
C.
由大脑前、中、后动脉构成
D.
此环使两侧颈内动脉系与椎-基底动脉系互相交通
E.
有调整脑血供的作用
【简答题】大脑动脉环（Willis环）
【简答题】热着火与链式着火的区别?
【简答题】Once upon a time there lived a woman who had a bad temper(脾气). She 1 at everyone around her. For most of her life she believed the anger inside her was 2 else’s fault(过错). She went to see a wise monk(...
【单选题】Because her mother was ill, she had no _____ to go to the New Year Party．
A.
taste
B.
emotion
C.
sense
D.
mood
【单选题】What happened to Jenkins on her 56th birthday?
A.
She was stabbed with a knife.
B.
She lost more than 100 pounds.
C.
She had surgery.
D.
She began to float.
【简答题】试述大脑动脉环（Willis环）的组成。
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