直接导致类风湿性关节炎的致病因子是() ["病因不明","疱疹病毒","支原体","细菌","病毒"]
对类风湿性关节炎更具诊断意义的检查项目是() ["ASK","类风湿因子","抗透明酯酸酶","ASO","抗磷脂抗体"]
类风湿性关节炎的英文缩写是() ["PSA","SLE","AOSD","RA","SPA"]
CREST综合征不包括() ["手指软组织钙化","毛细血管扩张","胆汁性肝硬化","雷诺现象","食管运动功能障碍"]
下列风湿病中最容易出现吞咽食物困难的是() ["白塞病","类风湿关节炎","多发性肌炎","系统性硬化病","强直性脊柱炎"]
一化工厂某月用电为72万kW.h,最大负荷为2000kW。求月负荷率K?