促进机体产热最重要的激素是() ["肾上腺皮质激素","肾上腺髓质激素","胰岛素","甲状腺激素","性激素"]
经营风险的来源包括()。 ["项目投资决策失误","不注意技术更新","不注意市场调查","销售决策失误"]
检测高速血流应选用:() ["高频超声","低频超声","与频率无关","大口径探头","以上都不是"]
人体寒战时,机体产热的主要形式() ["寒战性产热","非寒战性产热","肌肉紧张产热","肝脏产热","血液产热"]
患有慢性阻塞性肺病患者,诊断下呼吸道感染时,经防污染支气管肺泡灌洗采集的病原菌数需() ["≥103cfu/ml","≥104cfu/ml","≥105cfu/ml","≥106cfu/ml","≥107cfu/ml"]
双侧乳头连线相当于()气管的位置相当于()耻骨联合部相当于()肚脐平面相当于()胸骨柄上缘至剑突下平面相当于()