女性患者,查体见S2的主动脉瓣成分增强,她可能的疾病是
A. 低血压
B. 主动脉瓣狭窄
C. 肺动脉瓣狭窄
D. 动脉粥样硬化
E. 主动脉瓣粘连
查看答案
引起手足搐搦发作时,血清总钙浓度低于
A. 1.75~1.88mmol/L
B. 7.0~7.5 mmol/L
C. 2.25~2.75mmol/L
D. 1.88~2.75mmol/L
E. 1.0mmol/L
Being in a tight corner, Jimmy sold for 1,000 dollars the of his mother's first work that won her fame.
A. [A] duplicate
B. [B] manuscript
C. [C] heritage
D. [D] remains
The birth control measures have helped to ______ the city's population.
A. [A] hold up
B. [B] hold off
C. [C] hold on
D. [D] hold down
国家实行药品不良反应的
A. 申报制度
B. 分类管理制度
C. 注册制度
D. 逐级、定期报告制度
E. 登记制度