在用托盘天平称量12.5g的药品时，如果指针向右偏移，应该采取的措施是[ ]
A．加适量的砝码
B．加适量药品
C．调节平衡螺母
D．将游码左移
答案：B
A client with a long history of ulcerative colitis takes sulfasalazine (Azulfidine) to control the condition. The nurse would anticipate the client to have which nutritional deficit that can occur as a result of taking this drug
A. Colbalamin.B. Folic acid.C. Niacin.D. Iron.
慢性阑尾炎最主要的体征是（）
A.结肠充气试验阳性
B.转移性右下腹痛
C.直肠指诊直肠右前方触痛
D.右下腹局限性压痛
E.腰大肌试验阳性
