奎宁的不良反应
A.骨髓抑制B.金鸡纳反应C.肝坏死D.皮疹E.药疹
参考答案:B
-Be careful! You might fall into the water.
-Thank you. I____.I______ so close to the pool.
A.didn't know; am standing
B.don't know; am standing
C.didn’t know; was standing
D.didn't know;Would stand
患者,女性,45岁。左侧小腿表浅静脉曲张5年,长时间站立后小腿和足部有胀痛。足靴区皮肤增厚粗糙,伴色素沉着。顺行性静脉造影显示大隐静脉显著扩张,深静脉通畅、呈直筒状。
该患者接受逆行性静脉造影检查,发现造影剂自股骨头平面逆流至膝关节平面,则其瓣膜功能属于().
A.0级
B.3级
C.2级
D.4级
E.1级