背景
证明痰液标本来自下呼吸道的标志是() ["A．中性粒细胞","B．储备细胞","C．肺泡巨噬细胞","D．黏液柱状上皮细胞","E．淋巴细胞"]
AIDS患者痰液中常可见到的寄生虫是() ["A．阿米巴原虫","B．卡氏肺孢子虫","C．细粒棘球蚴虫","D．多房棘球蚴虫","E．卫氏并殖吸虫"]
确诊前列腺癌最可靠的方法是() ["A．直肠指检","B．B超","C．PSA测定","D．血清酸性磷酸酶测定","E．活体组织检查"]
检查痰液中结核分枝杆菌最常用的染色法是() ["A．Gram染色","B．抗酸染色","C．H-E染色","D．Wright染色","E．巴氏染色"]
背景
