第15题: [单项选择]People probably take part in dangerous sports nowadays because ______. A. they have a lot of free time B. they can go to hospital if they are injured C. their lives lack excitement D. they no longer need to hunt for food 参考答案:C
第22题: [单项选择]维生素D缺乏性佝偻病初期的主要临床表现是() A. 易激惹、多汗等神经精神症状 B. 颅骨软化 C. 肋骨串珠明显 D. 手镯征 E. X型腿 参考答案:A 答案解析:维生素D缺乏性佝偻病早期多表现为非特异性神经精神症状,如易激惹、烦躁、夜间惊啼等。常伴有多汗,尤其是头部,致使小儿常摇头擦枕,出现枕秃。【该题针对“.儿童保健”知识点进行考核】