![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
妊娠合并心脏病孕妇为预防心衰,至少每日应保证多长时间的睡眠()
A.6H
B.8H
C.10H
D.12H
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、10H
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.6H
B.8H
C.10H
D.12H
C、10H
A.孕24~26周
B.孕32~34周
C.孕35~36周
D.孕38~39周
E.孕40~42周
A.手术绝育
B.安全期避孕
C.药物避孕
D.工具避孕
E.体外排精
A.轻微活动后有胸闷气急及心悸感
B.休息时心率>120次/分
C.休息时呼吸>20次/分
D.肺底有湿啰音,咳嗽后消失
E.阵发性夜间呼吸困难