阈值
参考答案:
解析:在刺激作用时间有效的条件下,引起组织、细胞发生反应的最小刺激的强度为阈值。阈值是衡量组织、细胞兴奋性高低的一个客观指标。阈值越大兴奋性越低,反之愈高。
高速公路路线平面控制测量的等级应达到()。
A.二等
B.三等
C.四等
D.一等
During the first 48 to 72 hours of fluid resuscitation therapy after a major burn injury, the intravenous infusion rate will be adjusted by evaluating which of the following observation
A. Daily body weight.B. Hourly urine output.C. Hourly urine specific gravity.D. Hourly body temperature.