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【单选题】
低位肠梗阻呕吐出现较晚，呕吐物常为( )
A.
胃液、十二指肠液和胆汁
B.
带粪臭味的粪汁样物
C.
血性或棕褐色液体
D.
溢出性
E.
喷射状
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Losing Weight Girls as young as 10 years old are dieting and in danger of developing unhealthy attitudes to weight, body image and food, a group of Toronto researchers reported Tuesday. Their study of...
A.
had unhealthy attitudes to weight.
B.
were overweight.
C.
were on a diet.
D.
had healthy weights.
【单选题】急性低位小肠梗阻，心率120次／分，血90／60mmHg，尿少，无口渴，考虑存在（）
A.
低钾血症
B.
等渗性缺水
C.
高渗性缺水
D.
低渗性缺水
E.
低钙血症
【单选题】肠梗阻手术探查中，哪种情况下其预后最差（）
A.
梗阻上段肠管扩张明显
B.
肠浆膜不光滑、毛糙
C.
肠系膜上动脉栓塞
D.
小肠上段梗阻
E.
一组肠袢紧密粘连又无法分离粘连