【单选题】a 34-week-old newborn, anal temperature 34 °C, axillary-anal temperature difference is positive. The best time to return to normal body temperature
【单选题】If the venous drainage of the anal canal above the pectinate line is impaired in a patient with portal hypertension, there may be an increase in blood flow downward to the systemic venous system via a...
【单选题】Which is not the directly lymphatic drainage of rectum and anal canal?
A.
drain into inferior mesenteric lymph nodes
B.
deep inguinal lymph nodes
C.
superficial inguinal lymph nodes
D.
internal iliac lymph nodes
【单选题】经济合同除具备履行的期限、地点、方式等主要条款外,还应具备哪些内容:①标的、价款 ②数量、质量 ③酬金 ④违约责任
【单选题】SS4型电力机车部分高压试验:闭合压缩机按键405SK(风压低于700 kPa时)看:总风压力达到( )时自动停止泵风。
【简答题】(16分)双安妥明是一种降血脂药物,主要用于降低血液中胆固醇浓度,安全,副作用小,其结构简式为: 已知: 双安妥明的合成路线如下: 已知:C的摩尔质量是同温同压下氢气质量的28倍;I能发生银镜反应且1mol I能与2molH2S生加成反应;K的结构具有对称性。试回答下列问题: (1)双安妥明的分子式为:_____________。 (2)E的结构简式为:______________________...