磁疗法不适宜的情况是() ["眼部","头面部","胸腹部","体弱者","出血倾向"]
形成腹外疝的两个基本发病因素是()。 ["婴幼儿腹肌发育不全和老年人腹肌萎缩","腹股沟管和股管宽大","妊娠和重体力劳动","腹壁肌肉强度降低和腹内压增高","腹壁外伤和感染导致腹壁缺损"]
下列情况,不适于行腹腔镜检查或治疗的是() ["双侧卵巢肿大","青春期前卵巢肿大","绝经后卵巢体积增大","一侧卵巢巨大囊性肿瘤","生育期口服避孕药期间卵巢肿大"]
关于足月新生儿特点的论述中,哪一项是不正确的() ["A.克尼格氏征,巴宾斯基征,佛斯特征在新生儿均可是阳性","B.2周以后有明显的听觉定向能力","C.生后3~4天尿可呈赭红色","D.心率多在90~180次/min","E.甲状旁腺常有暂时性功能不足"]
测定人NK细胞活性多以哪种作为靶细胞() ["K562细胞株","YAC细胞株","致敏的羊红细胞","CRBC","以上都不对"]
出生后主要为()造血。