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【单选题】
贲门失弛缓症恶心呕吐的典型特点是:( )
A.
进食后迅速出现呕吐新鲜胃内容物
B.
呕吐隔夜宿食
C.
呕吐物中可能含有粪便
D.
喷射性呕吐
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】患者男性，28岁，1d前出现发热，恶心呕吐，腹泻7次，伴里急后重。便培养示志贺痢疾杆菌生长。其腹泻的发生机制是
A.
肠黏膜的吸收面积减少或吸收障碍
B.
黏膜炎症、溃疡等致血浆、黏液、脓血渗出
C.
肠蠕动亢进致肠内食糜停留时间少
D.
胃肠黏膜分泌过多的液体
E.
肠内容物渗透压增高