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【单选题】
女性，40岁。幽门梗阻致反复呕吐15d入院，呼吸浅慢，血压12.0/9.3kPa（90/70mmHg）。实验室检查：血清钾3mmol/L、钠130mmol/L，pH7.5，血浆HCO -335mmol/L。该病人典型EKG早期改变是（）
A.
T波降低，Q-T间期延长
B.
QRS波增宽
C.
P-R间期延长
D.
U波
E.
T波降低、变平或倒置
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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】身热下利，肛门灼热，恶心呕吐，腹部疼痛，苔黄脉数。治宜（）
A.
王氏连朴饮加苡仁、竹叶
B.
雷氏芳香化浊法
C.
调胃承气汤
D.
葛根黄芩黄连汤加白芍、藿香、姜竹茹