患者,女性,40岁,诊断哮喘。近来每当给宠物狗洗澡后即出现咳嗽、咳痰伴喘息发作。护士考虑最可能的过敏原是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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