关于重要脏器对缺氧缺血的耐受时间,描述不正确的是()。
A.肝细胞1~2小时
B.心肌60分钟
C.小脑10~15分钟
D.延髓20~25分钟
E.大脑4~6分钟
参考答案:B
A 2-year-old child is brought to the emergency room with a broken arm. Which of the following findings would lead the nurse to suspect child abuse()
A. The child has bruises on the forearms.
B. The child’s clothes are dirty, torn, and obviously "hand-me-downs. "
C. The child’s father alters the story of the injury each time he tells it.
D. The child’s mother did not come to the hospital with the child.
使用灵活温度方式起飞,在起飞过程中修改灵活温度,推力将()
A、不会发生变化
B、随修改的灵活温度作相应的变化
C、增加到TO/GA推力