第25题: [单项选择]女,44岁。上腹绞痛伴高热1天,皮肤黄染2小时。呕吐1次,伴寒战、高热,发病后小便色深。既往反复发作上腹部隐痛3年,向右肩部放射。查体:T39.1℃,P1O8次/分,R30次/分,BP150/95mmHg。皮肤、巩膜黄染,上腹部肌紧张,压痛、反跳痛(+)最可能的检查结果是()。 A. 胆囊缩小 B. 壶腹部展位 C. 胆总管直径增粗 D. 胰头增大 E. 胰管扩张 参考答案:C
第27题: [单项选择]To label their product as organic, farmers have to obtain a certificate showing that no ______ chemicals have been used to kill pests on the farm for two years. A. tragic B. toxic C. notorious D. nominal 参考答案:B