单项选择题

患者男性，39岁。有风心病、心房颤动史15年，长期口服地高辛。健康教育护士告知病人，长期口服地高辛的主要目的是（）。

A.增强心肌收缩力
B.减慢心室率
C.恢复窦性心律
D.预防栓塞
E.减慢心房率

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听力原文：M: Look, I'm sorry I didn't turn up for the match yesterday. But it wasn't my fault, you know.
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A．The woman blames the man for his absence.
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C．The woman thanks the man for his efforts.
D．The woman doesn't think it was the man's fault.

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男，56岁。患腹股沟斜疝，行斜疝修补术。其术前护理哪项不妥（）。

A.传统疝修补术后应早期下床活动
B.备皮避免剃破皮肤
C.术前排尿，防止误伤膀胱
D.积极处理疝的诱发因素
E.保持大便通畅