低钾型周期性瘫痪患者24小时口服补钾总量为() ["8g","10g","12g","15g","20g"]
如图所示,下列哪一项符合于半紧闭式装置() ["贮气囊内的呼出气无重复吸入","用毛巾盖在开放点滴的面罩上","用充气法使无重复呼吸","部分呼出气和部分二氧化碳被重复吸入","呼出气和二氧化碳全部被重复吸入"]
关于纵隔肿瘤,下列知识哪项不对() ["多数纵隔肿瘤都有其好发部位","前纵隔:多为胎生性囊肿和胸腺瘤","中纵隔:多为恶性淋巴瘤","转移瘤:纵隔影常对称性增宽","胸片难以区分胸腺瘤和畸胎瘤"]
下列哪种属于血浆增量剂() ["10%葡萄糖","0.9%的生理盐水","林格氏液","冷沉淀","6%羟乙基淀粉"]
下列肺癌的描述,正确的是() ["周围型肺癌倍增时间通常短于1月","瘢痕癌多为腺癌","鳞癌少有空洞","腺癌常有空洞","燕麦细胞癌常无纵隔淋巴结肿大"]
板状腹有什么临床意义?