46岁妇女,月经周期延长,经量增多及经期延长,此次月经量多且持续12d,妇科检查子宫稍大稍软.本例有效的止血措施选择
A. 静脉注射立止血或6-氨基己酸
B. 口服大剂量雌激素
C. 口服大量安宫黄体酮
D. 口服甲基睾丸素
E. 行刮宫术
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住院期间测餐后血糖3次,餐后2h血糖为14.0~16.0mmol/L,其降压药物宜首选
A. 血管紧张素转化酶抑制药
B. 利尿药
C. a受体阻滞药
D. 钙通道阻滞药
E. 硝酸酯类药物
氢火焰离子化检测器属于典型的______型检测器,而热导检测器属于典型的______型检测器,氢火焰检测器具有很高
A.He was able to talk again.B.He raced to the nursing home.C.He could t
A. He was able to talk again.
B. He raced to the nursing home.
C. He could tell red and blue apart.
D. He could not recognize his wife.
磁控管是一种______。
A. 微波振荡器件。
B. 短波振荡器件。
C. 微波放大器件。