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【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】肠套叠空气灌肠复位法的指征是（）
A.
病程不超过48小时，全身情况尚好者
B.
病程超过48小时，全身情况显著不良者
C.
肠管坏死，全身情况极度危急者
D.
果酱样血便
E.
口服炭片6～8小时后由肛门排出
【单选题】下述"肠套叠"有关说法，哪项是错误的（）
A.
慢性肠套叠，多为继发性
B.
急性肠套叠，多为绞窄性
C.
小儿肠套叠，小肠型最常见
D.
成人患者，多为继发性
E.
小儿套叠灌肠复位压力以60～100mmHg为宜