胃插管术准备工作。
女患者，32岁，结婚4年未避孕未孕，形体肥胖，月经40～6天一行，量少，面色光白，头晕心悸，胸闷。苔白腻，脉滑。应选下列何方：（） ["启宫丸","六味地黄丸","开郁种玉汤"]
X线表现为粗大树枝样阴影，尖端指向肺门，应考虑（） ["肺气肿","肺不张","黏液嵌塞征","阻塞性肺炎","肺门区及纵隔肿块"]
按货物是否己装船，提单可分为（） ["OnBArdB/L","ReceivedforShipmentB/L","CleAnB/L","DirectB/L","MAsterB/L"]
化脓性肺炎的X线特征性表现是（） ["蜂窝状薄壁透光区，有时伴有液平面","厚壁空洞，周围伴有炎性浸润","片状小病灶影","炎性浸润灶","脓气胸"]
胃插管术禁忌证。
