茎突和乳突之间的骨孔称为() ["A.内耳道口","B.茎乳孔","C.鼓室小管开口","D.外耳门","E.乳突小管开口"]
人乳突由鼓窦向乳突部逐渐发展,多开始于() ["A.胚胎期","B.初生时","C.2岁后","D.6岁左右","E.青春期"]
鼓膜松弛部缺如的组织是() ["A.肌层","B.粘膜","C.皮肤层","D.纤维层","E.以上都错"]
男,8个月,反复抽搐并表情呆板4个月,抽搐每天3~4次。查体:体格发育正常,反应差,皮肤白,毛发浅褐色,面部有湿疹,尿和汗液有异常霉臭味。脑电图检查示较多尖波。其发病机制是由于肝脏缺乏() ["A.鸟苷三磷酸环化水合酶(GTP)","B.苯丙氨酸羟化酶(PAH)","C.二氢生物蝶呤还原酶(DHPR)","D.6-丙酮酸四氢蝶呤合成酶(6-PTS)","E.四氢生物蝶呤(BH4)"]
女,33岁,因关节疼痛而就诊,查外周淋巴结肿大,实验室检查ACE升高,血、尿钙值升高,胸片见双肺门增大,CT检查如图,最可能的诊断为() ["A.淋巴瘤","B.卡波济肉瘤","C.韦格肉芽肿","D.结节病","E.间质性肺病"]
我国常见的人体寄生虫中有哪些医学昆虫?