第7题: [多项选择]多发性骨髓瘤容易引起感染是由于() A. 正常免疫球蛋白合成受抑 B. 血粘度增高 C. 中性粒细胞减少 D. 血钙增高 E. 化疗药物的应用 参考答案:A, C, E 答案解析:骨髓瘤使正常免疫球蛋白合成受抑、化疗药物引起的中性粒细胞减少可使患者易感染。
第8题: [单项选择]What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?() A. The tank must be gas freed B. The tank must be ballasted C. The tank must be vented to the atmosphere D. The bypass valve must also be closed 参考答案:C