侵蚀性葡萄胎和葡萄胎的区别()
A.滋养层细胞增生
B.绒毛间质水肿
C.间质血管消失
D.绒毛侵入肌层
E.绒毛结构消失
参考答案:D
患者男性,32岁。车祸致双下肢挤压伤,神志尚清楚,表情淡漠,明显口渴,面色苍白,皮肤湿冷,脉率118次/分,血压90/60mmHg,中心静脉压1mmHg,毛细血管充盈迟缓,血pH值为7.32。
给予吸氧,加快输液速度等处理措施后患者血压仍无明显好转,并又出现恶心、呕吐,提示()
A.脑缺氧
B.胃反流
C.肠梗阻
D.麻醉药物过量
E.胸段脊神经阻滞
With regard to payment for shares in the context of capital maintenance, explain the meaning and legal effect of the following:
(b) issuing shares at a discount. (5 marks)