A.音调低,强度弱,性质低钝,持续时间短,通常只在儿童和青、少年可听到B.音调较低,强度较响,性质较钝,历时较长,与心尖搏动同时出现,心尖部听诊最清晰...

作者: rantiku 人气: - 评论: 0
问题 A.音调低,强度弱,性质低钝,持续时间短,通常只在儿童和青、少年可听到 B.音调较低,强度较响,性质较钝,历时较长,与心尖搏动同时出现,心尖部听诊最清晰 C.音调较高,强度较第一心音低,性质较第一心音清脆,在心尖搏动之后出现,心底部听诊最清楚 D.低调、沉浊、很弱,心尖部及其内侧较明显 E.音调高、历时短促而响亮、清脆,呈拍击样,在心尖内侧较清楚 第二心音特点( )
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答案 C
解析

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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
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