患儿,3岁。表情呆滞,智力发育落后,怕冷,食欲差,头发干、黄、稀,颜面臃肿,呈睡容,鼻梁低平,舌体宽厚,常伸出口,腹胀便秘,四肢短,为协助诊断,应首选A:...

作者: tihaiku 人气: - 评论: 0
问题 患儿,3岁。表情呆滞,智力发育落后,怕冷,食欲差,头发干、黄、稀,颜面臃肿,呈睡容,鼻梁低平,舌体宽厚,常伸出口,腹胀便秘,四肢短,为协助诊断,应首选
选项 A:尿三氯化铁试验 B:血钙、磷检测 C:血T3、T4、TSH测定 D:染色体核型分析 E:TRH兴奋试验
答案 C
解析 先天性甲状腺功能减低症有皮肤粗糙、颜面黏液性水肿、头发干稀、喂养困难、便秘、腹胀等症状。根据患儿的特点诊断为先天性甲状腺功能减低症,实验室检查应首选血T3、T4、TSH测定。

相关内容:患儿,表情,智力,发育,落后,食欲,颜面,呈睡,鼻梁,舌体,常伸,出口,便秘,四肢,诊断

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