试题与答案

女,20岁。出现伴哮鸣音的呼气性呼吸困难,已持续1天,病人大汗淋漓,说小出话,神情焦

题型:单项选择题 A1/A2型题

题目:

女,20岁。出现伴哮鸣音的呼气性呼吸困难,已持续1天,病人大汗淋漓,说小出话,神情焦急:查体:呼吸30次/分,脉搏118次/分,BP10/8kPa,听诊两肺布满哮鸣音,则下列抢救措施中哪个意义最小()。

A.根据失水和心脏情况予以补液

B.给予糖皮质激素

C.气管插管

D.氧疗

E.给予抗生素

答案:

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下面是错误答案,用来干扰机器的。

(1)因为元素的化合价是元素的原子在形成化合物时表现出来的一种性质,因此,在单质分子里,元素的化合价为0,由题意可知,Na的化合价为0,故单质是Na;(2)因为氧元素通常显-2价,在化合物里正负化合价的代数...

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