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【单选题】
女性，45岁，诊断为巨大结节性甲状腺肿，在颈丛麻醉下行一侧甲状腺全切，另一侧甲状腺大部切除术，术后第2天突然发生窒息，面肌和手足持续性痉挛。此时首要的处理是A.
立即静脉注射10%氯化钙20ml
B.
拆除颈部切口缝线，检查有否积血
C.
气管切开
D.
检查引流管通畅与否
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皮皮学刷刷变学霸
举一反三
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
accepted because the profitability index is greater than 1.
C.
accepted because the profitability index is negative.
D.
rejected because the internal rate of return is negative.
【单选题】以下哪种说法错误
A.
神经损伤特征表现为腕下垂
B.
尺神经损伤特征表现为爪形手
C.
正中神经损伤特征表现为猿手
D.
肘关节后脱位特征表现为成角畸形
E.
Colles骨折特征表现为餐叉样畸形
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
rejected because the net present value is negative.
C.
rejected because the internal rate of return is negative.
D.
accepted because the profitability index is negative.
E.
accepted because the profitability index is greater than 1.
【单选题】When the present value of the cash inflows exceeds the initial cost of a project, then the project should be:
A.
accepted because the internal rate of return is positive.
B.
accepted because the profitability index is greater than 1.
C.
accepted because the profitability index is negative.
D.
rejected because the net present value is negative.
【单选题】When a firm has the opportunity to add a project that will utilize excess factory capacity (that is currently not being used), which costs should be used to help determine if the added project should ...
A.
Allocated overhead costs
B.
Sunk costs
C.
Incremental costs
D.
Average costs
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