心痛定（）
A.扩张静脉，增加冠脉血流
B.减少心肌氧耗量
C.解除冠脉痉挛
D.抗血小板聚积
E.抑制钠离子通道
参考答案：C
异硫氰酸酯样品0.2151g，加浓度为0.1157mol/L的丁胺溶液25.00mL，过量的丁胺消耗0.1153mol/L的高氯酸标准滴定溶液14.91mL。则样品中SCN的百分含量为（）。[SCN化学式量为58.08]。
A.31.58
B.31.68
C.31.96
D.31.99
The nurse is caring for a client who is experiencing auditory hallucinations. What would be most critical for the nurse to assess
A．Possible hearing impairment.
B．Family history of psychosis.
C．Content of the hallucinations.
D．Possible sella turcica tumors.
