患者,男,全身面积烧伤55%,近日来常寒战、高热,呈间歇热,四肢厥冷,发绀,尿量明显减少。很快血压下降到70/50mmHg。其原因最大可能是()。 ["革兰阳性细菌败血症","革兰阴性细菌败血症","真菌性败血症","厌氧菌性败血症","二重感染"]
鼻咽癌侵犯颅内常经() ["破裂孔","圆孔","卵圆孔","蝶腭孔","枕骨大孔"]
男,32岁,平素体健。淋雨后发热、咳嗽2d,右上腹痛伴气急、恶心1d。体检应注意有无() ["A.肠鸣音","右上腹肌紧张","肺部呼吸音","肺肝界","上腹部压痛"]
关于精神症状特点描述不正确的是() ["症状的出现不受病人意识的控制","症状一旦出现,难以通过转移令其消失","症状的内容与外在客观环境相称","症状出现可伴有痛苦体验","症状均会给病人带来或轻或重的社会功能损害"]
初产妇,28岁,停经32周,四步触诊胎位不清,疑无胎心。下列何种检查对确诊最有帮助() ["测血B-HCG","B超检查","尿HCG检查","血AFP检查","羊水染色体检查"]
简要病史:男性,37岁,大便后滴鲜血3周。