第33题: [单项选择]瘢痕性幽门梗阻的临床表现,错误的是() A. 呕吐量大,一次可达1000~2000ml B. 呕吐物多为宿食,有酸臭味,含有胆汁 C. 上腹隆起,可有蠕动波 D. 可有振水音 E. 可有低钾低氯性碱中毒 参考答案:B 答案解析:瘢痕性幽门梗阻餐后上腹饱胀、上腹疼痛加重,伴恶心、呕吐。其中突出症状是呕吐,呕吐量大,可达1000~2000ml.呕吐物多为宿食,不含胆汁,呕吐后患者自觉胃部舒适。查体可见上腹部膨隆,有时有胃蠕动波,
第35题: [单项选择]--Can he get the first prize for running --Impossible now. He ( ) to do so, but he has just hurt his leg. A. was expected B. would expect C. has expected D. is expected 参考答案:A 答案解析: