下述纵隔肿瘤中常与重症肌无力、低球蛋白血症等伴发的是() ["A.淋巴瘤","B.胸内甲状腺肿","C.巨淋巴增生症","D.胸腺瘤","E.畸胎瘤"]
维生素D中毒的发病机制主要是由于______引起______,继而______,影响各组织器官功能。
脑室穿刺引流术后一般每天引流脑脊液量不超过()。 ["A.100mL","B.200mL","C.300mL","D.400mL","E.500mL "]
颅后窝病变引起颅内压增高患者禁忌() ["A.脑室穿刺","B.脱水药物","C.腰椎穿刺","D.抬高床头","E.心理指导"]
男,33岁,咳嗽1周,有骨肉瘤病史,结合CT,最可能的诊断是() ["A.肺梗死","B.粟粒型肺结核","C.骨肉瘤转移","D.结节病","E.错构瘤"]
偻病激期患儿因严重______导致肌肉糖代谢障碍,使全身肌肉松弛、乏力。