大部分癫痫是() ["原发性","继发性","非典型小发作","反射性","肌痉挛发作"]
假设检验的一般步骤中不包括哪项() ["A.建立检验假设,确定检验水准","B.对总体参数的可信区间作出估计","C.选定检验方法,计算检验统计量","D.直接计算P值","E.确定P值,作出统计推断结论"]
患儿3岁,查体:精神稍差,略有烦躁不安,皮肤稍干燥,弹性好,眼眶稍凹陷,诊断为等渗性脱水,补充累及损失液时选用哪种液体() ["1/2张含钠液","等张含钠液","2/3~4/5张含钠液","1/3~1/5张含钠液","1/4张含钠液"]
与淋病奈瑟菌无关的性状是() ["革兰阴性肾形双球菌","营养要求较高","初次分离需5%~10%CO2","普通营养琼脂上即可生长","氧化酶试验阳性"]
关于假设检验,下列说法正确的是() ["一定要计算检验统计量","检验水准的符号为β","P可以事先确定","备择假设用H表示","假设检验是针对总体的特征进行"]
交感神经兴奋可引起释放增多的是()可激活血管紧张素原的是()当血浆晶体渗透压升高时释放增多的是()