慢性肺源性心脏病的病理诊断标准是右心室壁厚度() ["A.肺动脉瓣左下方6cm处>9mm","B.肺动脉瓣左下方5cm处>8mm","C.肺动脉瓣左下方4cm处>7mm","D.肺动脉瓣左下方3cm处>6mm","E.肺动脉瓣左下方2cm处>5mm"]
血浆晶体渗透压主要来自血浆的() ["Na+<\/sup>","葡萄糖","白蛋白","纤维蛋白","清蛋白"]
从沉积形成的机理来看,泥质岩应归属于()类。 ["陆源沉积岩","火山碎屑岩","化学岩","有机岩"]
下列哪项不属于麻醉前周药的目的() ["解除病人精神紧张","使麻醉过程平稳","增强麻醉效果","促进肌肉松弛","减轻病人疼痛感"]
下列有关血栓性静脉炎病变的描述,不正确的是() ["A.常由局部感染蔓延至静脉","B.多累及盆腔静脉、髂静脉、股静脉、下腔静脉和门静脉等","C.静脉管壁呈现炎症","D.管腔内血栓形成","E.管腔内血栓难于机化和再通"]
国家信息化