CO2在血中的溶解度为O2的() ["10倍","15倍","20倍","24倍","30倍"]
患者女性,32岁,6|单端固定桥(无8|)戴用2年余,近期自觉基牙松动,冷热痛不适,查:6|松动,固位体面穿孔,深龋洞,边缘不密合,牙龈充血,红肿基牙松动的原因可能是()。 ["A.固位体与基牙不密合","设计不当,基牙受力过大","固位体材料强度差","基牙牙根过短","基牙牙周炎"]
KerleyA线位于() ["上肺内侧","上肺外周","中肺","下肺内侧","下肺外周"]
喉腔炎症时,易发生水肿的部位是() ["喉前庭","喉中间腔","声门下腔","喉室","喉口"]
下列肺内病变,哪种最少累及胸膜() ["葡萄球菌性肺炎","肺结核","肺脓肿","石棉肺","支气管扩张合并感染"]
阵发性室上性心动过速。