患儿，男，1岁，发热伴咳嗽,气促7天。自出生后，喂养困难，生长发育落后.，多次患肺炎，查体:T38℃，P120次/分,R50次/分，消瘦，呼吸急促.，双肺可闻及细湿啰音，胸骨左缘上方闻及粗糙响亮的收缩期杂音，腹软，肝肋下3cm，脾肋下未及，手指甲床可见毛细血管搏动。该患儿手指甲床毛细血管搏动是由于 -题库考试答案搜索网

患儿，男，1岁，发热伴咳嗽,气促7天。自出生后，喂养困难，生长发育落后.，多次患肺炎，查体:T38℃，P120次/分,R50次/分，消瘦，呼吸急促.，双肺可闻及细湿啰音，胸骨左缘上方闻及粗糙响亮的收缩期杂音，腹软，肝肋下3cm，脾肋下未及，手指甲床可见毛细血管搏动。

该患儿手指甲床毛细血管搏动是由于

单选题

2021-07-17 21:53

A、动脉收缩压降低
B、动脉舒张压升高
C、动脉收缩压升高
D、动脉舒张压降低
E、肺动脉和主动脉分流

查看答案

正确答案

D

试题解析

标签：医药卫生类中级儿科学（中级）儿科学（中级）模拟卷一

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