神经细胞每兴奋一次,膜内Na+浓度大约增加()
A.1/800
B.1/1000
C.1/8000
D.1/80000
E.1/800000
参考答案:D
The nurse is caring for an elderly female with osteoporosis. When teaching the client, the nurse should include information about which major complication ?()
A.Bone fracture.
B.Loss of estrogen.
C.Negative calcium balance.
D.Dowager's hump.
为了保证土地面积量算的不重不漏,须由上一级()暂时画定一条工作界线代替权属界线,并签订《土地权属界线争议原由书》。
A.发展改革委员会
B.国家行政管理部门
C.土地行政主管部门
D.国土资源管理部门