属非细胞型微生物的是() ["A．立克次体","B．衣原体","C．真菌","D．支原体","E．病毒"]
下列球形病灶的钙化特征中，哪项是不正确的() ["A．结核球－斑点状或环层状钙化","B．肺炎性假瘤－粗钙化斑点","C．肉芽肿－成层形钙化","D．错构瘤－爆米花样钙化","E．矽肺－蛋壳样钙化"]
哪几种先天性心脏病心血管造影可见主、肺动脉同时显影?
导致心肌细胞自律性降低的因素是() ["A．部分Na＋通道处于失活状态","B．最大复极电位绝对值增大","C．阈电位绝对值增大","D．4期自动去极化速度增大","E．心肌细胞直径增粗"]
下列关于淋巴瘤的描述，不正确的是() ["A．恶性淋巴瘤常侵犯胸部","B．非霍奇金淋巴瘤侵犯纵隔者较少","C．淋巴瘤的淋巴结肿大常为对称性肿大","D．淋巴瘤的淋巴结肿大内可见出血坏死状","E．淋巴瘤可累及肺、心包"]
简述先天性心脏病的并发症?
