题目内容

某女,16岁,未婚,14岁初潮,周期20日至2个月不等,经期5~10天。本次月经来潮已20天未净,量多,伴头晕、乏力。检查未发现有器质性病变。考虑诊断为无排卵性异常子宫出血。不宜考虑的护理措施为( )。

A. 纠正贫血
B. 做好刮宫止血的术前准备
C. 耐心解释病情和病因
D. 注意观察阴道流血量
E. 按医嘱给予性激素止血

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病人,女性,18岁,经期持续10天,量较多,诊断为无排卵性子宫出血,给予口服大剂量己烯雌酚治疗。病人询问用药目的,护士正确的解释是

A. 促进女性生殖器官全面发育而止血
B. 促进子宫内膜迅速转化而止血
C. 促进子宫内膜呈分泌期而止血
D. 增强子宫平滑肌张力而减少出血
E. 短期内修复子宫内膜创面而止血

Listen to the song twice and fill in the blanks with what you hear. There comes a timeWhen we ___________________________________,When the worldMust___________________________________ as one.There are people dying;And it’s time to___________________________________to life,The greatest gift of all.We can’t go on pretending day by dayThat someone somewhere will soon___________________________________.We are the partOf God’s great big family.And the truth you know,Love is___________________________________.We are the world,We are the children,We are the onesWho make a brighter day.So let’s start giving.There’s a choice we are making,We are saving our own lives.It’s true we’ll make a better day,Just you and me.Send them___________________________________.So they’ll know that someone cares.And their lifeWill be___________________________________.As God has shown us,By turning___________________________________.So we all must lend a helping hand.We are the world,We are the children,We are the onesWho make a brighter day.So let’s start giving.There’s a choice we are making,We are saving our own lives.It’s true we’ll make a better day,Just you and me.When you’re___________________________________,There seems no hope at all.But if you just believe,There’s no we can fail.Let us realizeThat a change can only comeWhen we___________________________________as one.We are the world,We are the children,We are the onesWho make a brighter day.So let’s start giving.There’s a choice we are making,We are saving our own lives.It’s true we’ll make a better day,Just you and me.

交流负反馈是指( )

A. 阻容耦合放大电路中所引入的负反馈
B. 在直流通路中所引入的负反馈
C. 在交流通路中所引入的负反馈

直流负反馈能够( )

A. 稳定静态工作点
B. 稳定放大倍数
C. 改变输入电阻和输出电阻
D. 展宽频带

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