CT图像如下,最可能的诊断为() ["A.右肺肺占位","B.右侧胸膜良性病变","C.肋骨病变侵犯胸壁","D.膈膨升","E.纵隔肿块"]
简述Ⅱ型变态反应的特点。
典型苯丙酮尿症是由于肝内缺乏下列哪种酶所致() ["A.酪氨酸羟化酶","B.苯丙氨酸羟化酶","C.谷氨酸羟化酶","D.二氢生物蝶呤合成酶","E.羟苯丙酮酸氧化酶"]
苯丙酮尿症的临床表现不包括下列哪项() ["A.智能发育落后","B.呕吐、湿疹","C.尿、汗有鼠臭味","D.可有多动及行为异常","E.出生时可发现毛发、皮肤色淡"]
耳廓假性囊肿的囊壁内层为() ["A.鳞状上皮","B.纤毛柱状上皮","C.扁平细胞上皮","D.内皮细胞","E.纤维素"]
简述Ⅰ型变态反应的特点。