患儿男,5个月,混合喂养,腹泻2个月,大便5~6次/天,稀或糊状便,无脓血,食欲好,体重6.2kg,护士认为患儿最可能是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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