中心静脉压正常值为()
A.3~10cmH20
B.5~12cmH20
C.8~15cmH20
D.10~20cmH20
E.15~25cmH20
参考答案:B
An investor has the following assets: $ 5000 in bonds with an expected return of 8%. $ 10000 in equities with an expected return of 12%. $ 5000 in real estate with an expected return of 10%. What is the portfolio's expected return()
A. 10.00%.
B. 10.75%.
C. 10.50%.
围手术期颅内压的常见影响因素有()
A.PaC02
B.Pa02
C.血压
D.输注库血
E.颅内占位