浓盐酸不能用作尿中何种检验的防腐剂() ["A.17酮类固醇","B.17羟皮质类固醇","C.VMA","D.儿茶酚胺","E.细胞计数"]
鼻咽癌按形态可可分为________、_________、___________和___________。
产时窒息的紧急治疗措施首先是() ["A.弹足底,刺激呼吸","B.吸氧","C.人工呼吸","D.注射呼吸兴奋剂","E.清除呼吸道分泌物"]
白细胞计数在什么情况下不增高 ["A.新生儿","B.情绪激动","C.激烈运动","D.睡眠","E.妊摄分娩时"]
颈部淋巴结的转移瘤大多为鳞状细胞癌,主要来自_______、_______、___及____等处癌瘤,腺癌则多来自__________、__________及_________。
喉部良性肿瘤较常见者有______、________、_________及__________等。