序时平均数与一般平均数是两个不同的概念,它们之间没有共同点。()
患儿,女,2岁,因"高热4~5天,出皮疹1天"来诊。1天来患儿耳后、发际相继出现淡红色斑丘疹,疹间皮肤正常,伴有流涕、畏光,咳嗽重,精神、食欲差。查体:球结膜充血,咽红,口腔黏膜粗糙。本病的病原体为()。 ["A.腺病毒","人疱疹病毒6型","柯萨奇病毒","水痘病毒","麻疹病毒"]
下列有关渗出液的性质叙述正确的是() ["非炎性积液","多混浊","细胞较少","多不能自凝","无细胞"]
3岁小儿,身材矮小而匀称。下列哪项诊断不太可能() ["垂体性侏儒","克汀病","慢性腹泻","佝偻病","营养不良"]
缩窄性心包炎() ["肺性发绀","混合性发绀","淤血性发绀","缺血性发绀","心性混血性发绀"]
神经精神狼疮