患者，男，28岁，8小时前暴饮暴食后出现上腹部绞痛，向肩背部放射(急性胰腺炎），送到医院急诊，此时最具诊断意义的实验室检查为

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【单选题】【消耗次数：1】

① 血清淀粉酶测定

② 尿淀粉酶测定

③ 血钙测定

④ 血清脂肪酶测定

⑤ 血糖测定

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