问题
单项选择题 B型题
类风湿关节炎最终导致的主要肾脏病变为（）
A.肾小球基膜多种免疫复合物沉积
B.肾脏淀粉样变性
C.肾小管酸中毒
D.局灶节段坏死性肾小球肾炎
E.小动脉内皮细胞增生
答案
参考答案：B
解析：类风湿关节炎肾脏受累并不常见，但长期病变控制不好的患者可导致肾脏淀粉样变。
搜题请搜索小程序“爱下问搜题”
类风湿关节炎最终导致的主要肾脏病变为（）
A.肾小球基膜多种免疫复合物沉积
B.肾脏淀粉样变性
C.肾小管酸中毒
D.局灶节段坏死性肾小球肾炎
E.小动脉内皮细胞增生
参考答案：B
解析：类风湿关节炎肾脏受累并不常见，但长期病变控制不好的患者可导致肾脏淀粉样变。
| The "Karat" marking on jewelry tells you what proportion of gold is mixed with other metals, ff 14 parts of gold are mixed with 10 parts of base metal, the combination is called 14-Karat (14K) gold. The higher the Karat rating, the higher the proportion of gold in the object. The lowest Karat gold that can be marketed in the United States is 10-Karat gold. Jewelry does not have to be marked with its Karat quality, but most of it is. ff there is a Karat quality mark, next to it must be the U.S. registered trademark of the person or company that will stand behind the mark, as required by the National Gold and Silver Stamping Act. |
This paragraph serves the consumer as
A．important buying information.
B．a challenge to buy more gold.
C．a debate over gold prices.
D．advice about buying silver.