An adolescent is admitted to the hospital for headaches. She approaches the nurse and confides that she is being sexually abused by a family friend. Which of the following would be the nurse’s best initial response

A. "Can you tell me what happened"
B. "I believe you; you were right to tell me. "
C. "Have you told your mother and father about this"
D. "Who else have you told about this"

手术顺利结束，病人清醒后回到病房不久出现低氧血症。

下面哪项不是低氧血症的原因（）。

A.胸腔闭式引流

B.病人本身的肺功能损害

C.伤口疼痛

D.肌松药残余

E.下颌松弛，分泌物流入气道