[填空题] 胸腔闭式引流单瓶水封瓶装置，_________管下端应插至水平面下______cm，水封瓶应低于胸壁引流口平面_______cm。

脾胃气虚所致胃脘疼痛特点是 ["A、隐隐作痛","B、痛如刀绞","C、胀满疼痛","D、刺痛固定","E、游走窜痛"] 二尖瓣狭窄的类型可分为___________和__________。 细胞内液(ICF)的主要渗透离子为() ["A．钠离子","B．钾离子","C．氯离子","D．钙离子","E．镁离子"] 疼痛不剧，尚可忍耐，绵绵不休，此为 ["A、酸痛","B、隐痛","C、空痛","D、窜痛","E、胀痛"] 心内直视手术中常用的心肌保护停搏液的渗透压大多介于() ["A．<200mOsm/kgH0","B．200～300mOsm/kgH0","C．300400mOsm/kgH0","D．400～500mOsm/kgH0","E．>500mOsm/kgH0"] 胸腔闭式引流单瓶水封瓶装置，_________管下端应插至水平面下______cm，水封瓶应低于胸壁引流口平面_______cm。