男婴8个月，发热、腹泻2天，大便10～12次/日，为稀水样，量中等，有时伴吐，尿量减少。体检：体温39℃，烦躁，哭无泪，皮肤弹性差。下列哪些检查最为合理和急需() ["A．大便常规+大便培养+血电解质","B．大便常规+血气分析+血电解质","C．大便常规+血培养+大便病毒分离","D．大便常规+血电解质+血培养","E．大便常规+尿常规+大便培养"]
肝细胞癌能合成前列腺癌 ["A．甲胎蛋白","B．癌胚抗原","C．胎儿硫糖蛋白","D．绒毛膜促性腺激素","E．酸性磷酸酶增多"]
以下那种药物不可以作为缓解腰背痛症状的首先药物() ["A．对乙酰氨基酚","B．肌松类药物","C．阿司匹林","D．布洛芬和其他的NSAIDs"]
下列尘肺中易合并恶性间皮瘤的是() ["A．矽肺","B．煤矽肺","C．铁矽肺","D．石棉肺","E．滑石肺"]
风湿性心外膜炎心肌脂肪变性 ["A．靴形心","B．绒毛心","C．虎斑心","D．球形心","E．萎缩心"]
流行性脑脊髓膜炎流行性乙型脑炎
