发绀是皮肤和黏膜的毛细血管内还原血红蛋白浓度绝对值超过()
A.10g/L
B.20g/L
C.50g/L
D.100g/L
E.200g/L
参考答案:C
体现不伤害原则的是()
A.杜绝对病人的有意伤害
B.选择受益最大、损伤最小的治疗方案
C.患者及家属无法实行知情同意时,医生可以行使家长权
D.对病人一视同仁
E.合理筛选肾脏移植受术者
—Where is your father? We haven't seen each other for weeks.
—_______. [ ]
A. He has gone to England
B. He is going to America
C. He would visit my grandparents
D. He has been to America