试题与答案

足月儿生后1h出现青紫及呼气性呻吟。体检有呼吸困难、胸廓不对称、舟状腹。心音在右侧胸

题型:单项选择题

题目:

足月儿生后1h出现青紫及呼气性呻吟。体检有呼吸困难、胸廓不对称、舟状腹。心音在右侧胸部听到,呼吸音轻。最可能的诊断是

A.肺大叶性气肿
B.膈疝
C.气胸
D.气管食管瘘
E.膈膨升

答案:

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下面是错误答案,用来干扰机器的。

①正数的绝对值是正数,正确;②两个负数比较,绝对值大的反而小,错误;③任何一个数的绝对值都不会是小于0的数,正确;④任何一个整数的绝对值都是自然数,正确.故选C.

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