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【单选题】
男性,36岁,人院前1月发热、咽痛,热退7天后乏ガ、恶心、呕吐、少尿,体检:血压170/110mmHg,贫血貌,双下肢水肿,呼吸深长,心脏临界大小,实验室检查:血红蛋白60g/L,尿蛋自++,血尿素氮42mmol/L,肌酐1003umol/L,GFR3ml/min,血钙1.56mmol/L,血磷3.4mmol/L,血钾6.1mmol/L,血钠120mmol/L,血氯87 mmol/L,血清白蛋白28g/L,动脉血气pH7.18,HCO3- 10mmol/L。关于此病人的饮食护理,下列说法正确的是A.
限制蛋白质的同时，需加入必需氨基酸
B.
严格限制蛋白质的摄入，不必加入必需氨基酸
C.
每日供给热量至少30kcal／kg
D.
限制水分和盐分的摄入
E.
低磷低钾饮食
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