心悸的临床症状特点为() ["A.左胸部发作性憋闷和疼痛","B.发作性心慌不安,不能自主","C.伴气短、眩晕、胸闷","D.心痛彻背","E.手足青冷至节"]
砂浆拌和机开关箱离操作位置不大于()。 ["1.0m","2.0m","3.0m","4.0m"]
下列属于真性肿瘤的是()。 ["畸胎瘤","动脉瘤","错构瘤","迷离瘤","结核瘤"]
急性肾炎患儿在病程早期突发生惊厥,以下哪项可能性最大() ["高热惊厥","高钙血症","高钠血症","高血压脑病","低镁血症"]
7个月婴儿,吐泻2天,每日3~4次蛋花样便,在外院输液治疗,液体液量不详,输液后出现惊厥,其抽搐原因应考虑() ["脱水酸中毒","稀释性低钠血症","低钙低镁血症","低钾血症","中毒性脑病"]
惊厥的概念