在酸性介质中,用草酸钠标定高锰酸钾溶液,滴加高锰酸钾溶液时应注意() ["始终快速进行","开始时缓慢滴定,以后逐渐加快","始终缓慢进行","开始快速,然后缓慢,最后又逐渐加快","开始时快,以后逐渐缓慢"]
加速试验法中,样品环境的相对湿度条件通常是() ["45%","55%","65%","75%","85%"]
患者女性,23岁。被木棍打击左侧腰部后,左侧腰部明显疼痛1天入院,伴血尿。查体:体温36.8℃,心率79次/分,呼吸20次/分,血压100/70mmHg(1mmHg=0.133kPa)。意识清楚,对答切题。左侧腰部可见瘀斑,全腹压痛,左腰及左侧上腹压痛明显,无反跳痛,左肾区叩击痛,深触诊可及左肾区包块。血常规:血红蛋白70g/L,血细胞比容40%。尿常规:白细胞5个/HP,红细胞满视野。
目前该患者首先考虑哪些诊断() ["左肾挫裂伤","宫外孕破裂","急性腹膜炎","贫血","失血性休克","左肾周血肿","左肾肿瘤"]
肩袖的组成有() ["冈上肌","冈下肌","肩胛下肌","小圆肌","胸大肌"]
不属于加速试验法所采用的超常条件的是() ["高压","高温","高湿","强氧化剂","强光"]
虚拟网络