监护仪所测量的参数分为电量和非电量两种,以下何种参数是电量信号?()
A.血压
B.血氧
C.心电
D.呼吸
E.体温
参考答案:C
.------It was fine yesterday.
-------________.And very day for fishing,isn’t it?
A.So it was
B.So it is
C.So was it
D.So is it
正常成人的白细胞计数为
A.(4~10)X10的9次方/L
B.(4~6)X10的9次方/L
C.(3~10)X10的9次方/L
D.(5~10)X10的9次方/L
E.(5~15)X10的9次方/L