试题与答案

开放性胸外伤的诊断依据是() A.仅胸壁有创口 B.支气管断裂 C.多发性肋骨骨折

题型:单项选择题

题目:

开放性胸外伤的诊断依据是()

A.仅胸壁有创口

B.支气管断裂

C.多发性肋骨骨折

D.胸壁有创口并伴有呼吸困难、紫绀及休克

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:铁粒幼细胞性贫血的病因是:原发性如常染色体隐性或性联遗传;获得性如感染、肿瘤、中毒等。

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