第29题: [多项选择]病历摘要:患者,男,58岁,心悸反复发作2年,平日喜食肥甘厚腻,形体肥胖,伴胸闷胀满,头昏沉,心烦易怒,口苦眠差,未予重视。来诊时诉胸闷如窒而痛1天,伴心悸气短,喘憋,夜寐不安,查体见舌质暗红,苔黄腻,脉弦数。此病人平日应注意哪些生活调摄? () A. 加强饮食营养 B. 适当体育活动 C. 避免情绪波动 D. 保持大便通畅 E. 避免外寒侵袭 参考答案:B, C, D, E
第33题: [简答题]Action potential: 参考答案:动作电位 action potential
An action potential is a rapid change in the membrane potential. Each action potential begins with a sudden change from the normal resting negative potential to a positive membrane potential (depolarization) and then ends with an almost equally rapid change back to the negative potential (repolarization).