呼吸困难的救护措施有() ["端坐位","保持呼吸道通畅","给氧","治疗原发病","实施监护"]
测温元件与被测介质直接接触的测量方式称为() ["接触式","非接触式","压力式","膨胀式"]
咯血的救护措施有() ["镇静休息","严密观察病情变化","畅通气道","补充血容量","自我护理"]
双侧瞳孔散大见于() ["有机磷中毒","脑疝","脑出血","阿托品中毒","氰化物中毒"]
女,29岁。发现左腹壁肿物2年。查体:左下腹壁肿物约6cm×4cm大小,边界不清,质硬,活动差。B超示腹壁腹直肌内低回声实性肿物。下一步治疗是()。 ["A.暂观察,不予处理","局部切除,根据病理结果决定是否二次手术","局部广泛切除,切除后修补腹壁缺损","先放射治疗,再手术切除","先全身化疗,再手术切除"]
简述各国海关征税的方法