男性,70岁,既往体健,10天前曾应用庆大霉素抗感染治疗,尿量800ml/24h。尿常规示蛋白(+),可见颗粒管型,血BUN18.8mmol/L,Cr373umol/L,Hb121g/L。庆大霉素对肾脏损伤的部位是() ["肾小球","近端肾小管","髓袢","远端肾小管","肾间质"]
下列会有水牛背表现的疾病是()。 ["高血压","库欣综合征","原发性醛固酮增多症","儿茶酚胺症","甲状腺功能亢进症"]
骨髓中异常嗜酸性粒细胞占5%~30%的白血病是() ["AML-Mq4a","AML-M4b","AML-M4c","AML-M4E0","AML-M5a"]
下列哪类患者麻醉前用药量要增加?() ["甲状腺功能亢进","休克","高血压","恶病质","以上都不是"]
嗜铬细胞瘤的代谢特点是()。 ["低血压、低血糖、低代谢","高血压、低血糖、低代谢","高血压、低血糖、高代谢","高血压、高血糖、高代谢","低血压、高血糖、高代谢"]
具有代表性的快速成形工艺有哪几种?并简述其加工原理.