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【单选题】
女性,47岁,发现右侧乳房内无痛性肿块2个月。体检:右侧乳房外上象限可扪呈径约2cm的肿块,表面不甚光滑,边界不清,质地硬;局部乳房皮肤呈凹陷征;同侧腋窝可2个肿大的淋巴结,可被推动。组织病理学检查证实为乳腺癌,拟行乳癌改良根治术。若该为乳房癌根治术后第3天,右侧手臂出现皮肤发绀,手指发麻,低,脉搏未扪及。正确的处理是()A.
继续观察，不需特殊处理
B.
及时调整包扎胸带的松紧度
C.
立即拆除患处包扎胸带
D.
给予吸氧
E.
患处用砂袋加压
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举一反三
【判断题】One volt is defined as that magnitude of electromotive force required cause a current of one ampere to pass through a conductor having a resistance of one ohm.
A.
正确
B.
错误
【简答题】One ohm is defined as that amount of that will limit the current in a conductor is one ampere when the voltage applied to the conductor is one volt.( 一个横线填写一个单词 )
【单选题】{One ohm is defined as the amount of resistance in a circuit so that when one volt is applied to the circuit, one ampere of current will flow.}
A.
ampere
B.
true
C.
false
D.
omega
【简答题】One Ohm is defined as that amount of resistance that will limit the current in a conductor to one ampere when the voltage applied to the conductor is one volt.
【简答题】当加工中心机床主轴转速高达6000r/min以上时,高速旋转的刀具存在____所产生的离心力将对主轴等施加周期性载荷,从而引起振动。
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