肾静态显像不能直接显示()。 ["先天性的肾畸形","先天性的肾缺如","肾萎缩","肾结石","肾脏位置异常"]
原发性头痛是指() ["丛集性头痛","脑膜炎头痛","脑出血头痛","肿瘤性头痛","低颅压性头痛"]
热痉挛的主要发病机制是() ["体内钠、钾过量丢失","体温调节功能发生障碍","外周血管扩张和大量失水","排汗功能疲劳和衰竭","机体温度感受器失能"]
伤寒患者排菌量最多的时期是() ["起病后第1周","起病后第2~4周","起病前1周","起病后第5周","起病后第6周"]
疳肿胀的病位在() ["脾肾","肝脾","心脾","脾肺","脾胃"]
帕金森病的主要临床表现?