关节痛的概念。
患者,孕1产0,孕40周,目前宫缩30~35〃/4~5′,查胎心音140次/分,宫口开大4cm,有羊膜囊感。目前最佳处理是() ["立即注射催产素","人工破膜","嘱病人回家,随诊","立即进入产房","行温肥皂水灌肠"]
急性横贯性脊髓炎最常损害的脊髓节段是() ["颈膨大部","T3~5节段","T7~10节段","腰膨大部","圆锥部"]
分娩时最主要的产力是() ["膈肌收缩力","腹压力","提肌收缩力","子宫收缩力","腹肌收缩力"]
噬菌体侵染细菌实验,直接和间接地证明了DNA①是生物体内的遗传物质②能进行自我复制,上下代保持连续性③能控制蛋白质的合成④是生物体内主要的遗传物质() ["①②③④","①②③","①②","①"]
便秘的病史采集要点。