L-dopa引起的“开-关”现象是由于
A. 进入脑内,合成NA,恢复中枢神经功能
B. 兴奋延髓的催吐化学感受器触发区D受体
C. 作用于大脑边缘叶
D. 黑质-纹状体变性及其中DA浓度过高
E. 阻断中枢多巴胺受体
缓解率最高的化疗方案是
A. DA方案
B. HA方案
C. HOAP方案
D. VDP方案
E. CHOP方案
A.Because she is ill. B.Because she lost her job.C.Because she is not a
A. Because she is ill.
Because she lost her job.
C. Because she is not a teacher.
D. Becauseshe gets another job.
属于出血性炎的是
A. 空洞性肺结核
B. 细菌性痢疾
C. 小叶性肺炎
D. 钩端螺旋体病