心动周期中,心室血液充盈的主要原因是由于() ["血液依赖地心引力而回流","通过骨骼肌的挤压作用加速静脉回流","心房肌收缩的挤压作用","心室肌舒张的抽吸作用","胸膜腔负压促进静脉回流"]
功善止血,又能化瘀生新,有止血而不留瘀、化瘀而不伤正之特点的药物是() ["丹参","熟地黄","三七","川芎","当归"]
《传染病防治法》规定,传染病暴发、流行时,当地政府应当() ["医学观察","留验","隔离","访视","就地诊验"]
女,60岁。右乳头脱屑,结痂半年,去除右乳头表面痂皮,可见鲜红色糜烂创面,涂片细胞学检查见大而异形、胞质透明细胞,这种细胞称为() ["印戒细胞","R-S细胞","佩吉特(Paget)细胞","浆细胞","类上皮细胞"]
中国特色社会主义法律体系以()为核心。 ["刑法","民事诉讼法","民法","宪法"]
期刊的馆藏项应如何著录?