搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1/A2型题

麻醉对冠脉循环的影响，正确的是（）。

A.静脉麻醉药减少冠脉血流量

B.蛛网膜下隙阻滞平面过广时，可致冠脉血流减少

C.麻醉性镇痛药使冠脉血流量增加

D.吸入麻醉药对冠脉循环无影响

E.镇静药使冠脉血流量增加

答案

参考答案：B

解析：蛛网膜下隙阻滞时，动脉血压下降，可致冠状动脉血流减少。

单项选择题

Kachelmeyer, Inc., signs an agreement on 1 January 2005, to lease equipment from Henderson Company. The term of the lease is five years, and the estimated economic life of the asset is also five years. The agreement requires equal annual payments of $ 36285.90, with the first payment on 1 January 2005. Kachelmeyer’ s incremental borrowing rate is 12 percent. Henderson’ s implicit rate is 10 percent and is known to Kachelmeyer. The prime rate is 8 percent. The discount rate that Kachelmeyer should use to capitalize the lease is:

A．

A. 8%.

B．

B. 12%.

C．

C. 10%.
查看答案
单项选择题

下列逻辑判断错误的是（）

A、若A+B=A，则B=0

B、若AB=AC，则B=C

C、若1+B=AB，则A=B=1
查看答案