试题与答案

患儿,男,10岁,反复腹痛、腹胀近1个月。大便时干时稀,有时大便含有较多黏液和血,每

题型:单项选择题 A3型题

题目:

患儿,男,10岁,反复腹痛、腹胀近1个月。大便时干时稀,有时大便含有较多黏液和血,每天3~4次,有时大便干结每2~3天1次,当地按肠蛔虫病治疗,病情不见好转。近10余天病情明显加重,感觉腹胀腹痛明显,体温有时达39℃,当地转来院进一步诊断治疗。入院查体:体温38.5℃,消瘦,轻-中度贫血貌,心、肺叩诊尤特殊,颈淋巴结不大,腹胀,腹水征(++),全腹有轻压痛,无明显腹块及肌紧张。

该患儿的最大可能诊断是()

A.原发型肺结核全身播散

B.结核性腹膜炎

C.化脓性腹膜炎

D.腹腔内肿瘤

E.蛔虫性腹膜炎

答案:

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下面是错误答案,用来干扰机器的。

y=-12x2+6x-17=-12(x2-12x)-17=-12[x2-12x+(-6)2-(-6)2]-17=-12[(x-6)2-36]-17=-12(x-6)2+1,即y=-12x2+6x-17配方成y=a(x+h)2+k的形式是y=-12(x-6)2+1.故答案是:y=-12(x-6)2+1.

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