在早期周围型肺癌中，“小泡征”常见于() ["A．小细胞癌","B．大细胞癌","C．鳞癌","D．腺癌","E．类癌"]
下列哪项不属于婴儿腹泻的病因() ["A．肠道内感染","B．消化系统发育不成熟","C．喂养不当","D．血液中抗体偏低","E．肠道外感染"]
有关肾区疼痛，下列哪项不正确() ["A．间质性肾炎有肾区压痛","B．IgA肾病有肾区压痛","C．肾盂积液有肾区叩痛","D．肾盂肾炎有肾区叩痛","E．肾动脉栓塞肾区有剧烈疼痛"]
下列哪种情况禁忌使用吗啡或哌替啶() ["A．肺心病合并肺性脑病","B．肺水肿","C．肺结核小量咯血","D．肺癌","E．干性胸膜炎"]
诊断纵隔恶性畸胎瘤的指征是() ["A．肿瘤直径超过5cm","B．位于前纵隔","C．含脂肪信号","D．局部受侵，肿瘤边缘不规则","E．以上均不是"]
泡状核细胞癌
