题目内容

Which of the following structure lies laterally to the cupula in the root of the neck?

A. Thoracic duct
B. Scalenus posterior
C. Sympathetic trunk
D. Brachial plexus
Esophagus

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The structure passes through the scalene fissure is

A. Brachial plexus
B. Subclavian vein
Cervical plexus
D. Vertebral artery
E. Phrenic nerve

The mark dividing the subclavian artery into three parts is

A. Clavicle
B. First rib
C. Scalenus anterior
D. Scalenus medius
E. Pectoralis minor

患者行右侧颈下神经节阻滞术后,出现右侧胸部疼痛、胸闷、逐渐呼吸困难。可能是损伤了

A. 膈神经
B. 迷走神经
C. 锁骨下动脉
D. 胸膜顶
E. 椎动脉

并联电路的总电阻计算说法正确的选项是（）。

A. 并联电路的总电阻等于各分电阻之和
B. 并联电路的总电阻的倒数等于各分电阻的倒数之和
C. 并联电路的总电阻等于各分电阻倒数之和
D. 以上都不对