简述当归四逆汤的病机、主症、治则及方药组成。
参考答案:
病机血虚寒凝致厥;主症手足厥寒,脉细欲绝;治则温通肝经,养血散寒;方药当归、芍药、桂枝、细辛、大枣、甘草、通草
根据《招标投标法》,下列有关开标参与人的说法中,正确的是()。
A.招标人应当委托公证机构对开标过程进行公证
B.开标应当由招标人主持
C.招标人应当邀请所有投标人参加开标,未到场的投标人应当视为放弃投标
D.招标人应当邀请纪检监察部门参加开标
While inspecting the client's chest, the nurse notes that the chest wall contracts on inspiration and bulges on expiration. The nurse suspects which of the following problem from this assessment
A.Hemothorax.
B.Flail chest.
C.Pneumothorax.
D.Tension pneumothorax.