第10题: [单项选择]DKA时补碱的指征() A. 碳酸氢根<15mmol/L B. 碳酸氢根<10mmol/L C. 碳酸氢根<5mmol/L D. pH<7.2 E. pH<7.35 参考答案:C 答案解析:DKA时补碱过多过快,可诱发或加重脑水肿,诱发低钾血症和反跳性碱中毒等不良影响,故补碱应慎重,当血pH<7.1或碳酸氢根<5mmol/L时可给予适当补碱。
第13题: [简答题]What techniques of the Direct Method do you think are useful in modern language teaching 参考答案:
Such teaching techniques as question and answer exercises, dictation and conversation practice are useful in modern language teaching. The Direct Method advocates that language should be learned through direct association of form and meaning. It mainly uses the teaching techniques above which are still widely used in foreign language teaching classrooms today. The forms of dictation and compound dictation appear in many tests today.
第19题: [单项选择]药物的半衰期主要取决与哪个因素() A. 用药时间 B. 消除的速度 C. 给物的途径 D. 药物的用量 E. 直接作用或间接作用 参考答案:B
第20题: [单项选择]下列关于体育锻炼对运动系统影响的说法,不正确的是() A. 可减少交感神经张力 B. 使骨骼增粗、骨骼腔增大 C. 可降低迷走神经兴奋性 D. 促进肌纤维增长变粗 E. 使身体素质明显改善 参考答案:C 答案解析:体育锻炼可提高迷走神经兴奋性,使神经活动更加协调。因此C是不正确的。