试题与答案

Meckel腔内有() A.颈内动脉 B.颈外动脉 C.舌下神经 D.滑车神经 E.

题型:单项选择题

题目:

Meckel腔内有()

A.颈内动脉

B.颈外动脉

C.舌下神经

D.滑车神经

E.三叉神经

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:该患者具备先心病史,症见发热,体征有贫血、心脏杂音、脾大,且血培养阳性,故可诊断为感染性心内膜炎;突发呼吸困难、胸痛、咯血应首先考虑急性肺栓塞,故应选B

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