喉上神经内支司声门以上喉黏膜的感觉，外支则支配（）
A.声门区黏膜
B.环甲肌
C.环杓后肌
D.环杓侧肌
E.杓横肌
参考答案：B
Ancient China was a place ____ states were often at war with each other.[ ]
A. which
B. of which
C. where
D. what
男性患者，68岁，突起剧烈压榨样胸痛、呕吐伴窒息感2小时入院。查心率110次/分，血压85/60mmHg，心电图示V1-V4导联ST段呈弓背向上抬高，律不齐。
该患者的处理原则，下列哪项不对？（）
A．心电监护
B．消除恶性心律失常
C．减轻疼痛
D．抗凝治疗
E．扩容升压
