结肠疾病的腹泻特点是
A.常伴里急后重
B.疼痛多在下腹
C.便后疼痛可缓解
D.疼痛多在脐周
E.伴明显消瘦
参考答案:C
单项选择。
— Will you come to visit your uncle this afternoon?
— No, ______. [ ]
A.I don't
B.I will
C.I won't
D.I am not
壶腹癌与胰头癌的超声鉴别要点是:①前者常呈高回声,后者常呈低回声;②前者胰头大小正常,后者胰头增大;③前者下腔静脉不受压,后者下腔静脉常受压;④前者胰管、胆总管同时扩张,后者胰管、胆总管扩张常较前者迟()。
A.①②③
B.①③
C.②④
D.④
E.①②③④