重度锰中毒患者主要表现() ["腹绞痛","肾功能损害","锥体外系神经障碍","血液系统损害","慢性肝病"]
关于胰腺癌的临床特点,不正确的是() ["A.胰头癌占多数","B.组织类型以导管细胞癌最多","C.好发年龄在20~30岁之间","D.早期诊断困难,手术切除率低,预后差","E.广泛浸润周围组织、器官,并较早经淋巴转移"]
与B细胞淋巴瘤和鼻咽癌的发生密切相关的是()。 ["EB病毒","人乳头瘤病毒","人嗜T淋巴细胞病毒","甲胎蛋白","癌胚抗原"]
急性颅脑损伤影像宜选择()。 ["颅骨平片","脑室造影","血管造影","CT扫描","MRI成像"]
下列哪种疾病与水痘具有相同的病原体() ["带状疱疹","单纯疱疹","生殖器疱疹","麻疹","手足口病"]
如何判定胎盘功能及宫内胎儿安危?