患者女性,68岁。有COPD史5年。现症状缓解,此时对患者进行腹式呼吸和缩唇呼气训练,下列正确的是() ["由口吸气","吸气时腹肌收缩","由鼻呼气","呼气时缩拢口唇","为减少残气量应尽量用力快速呼气"]
测定缓、控释制剂的体外释放度时至少应选出() ["1个取样点","3个取样点","5个取样点","7个取样点","9个取样点"]
固井设计中应考虑()。 ["A、水泥浆失重;","B、水泥浆漏失;","C、气窜;","D、气体特性;","E、地层流体侵入。"]
属于高频电治疗疾病的方法包括() ["电睡眠疗法","音乐电疗法","干扰电疗法","超刺激电疗法","共鸣火花疗法"]
患者男性,86岁。有COPD病史30年。平素体弱,3天前受凉后再次出现咳嗽、咳痰,痰白质黏量多,伴有气急。此时患者应避免使用() ["溴己新","氨茶碱","可待因","盐酸氨溴索","沙丁胺醇气雾剂"]
咯血的临床表现