到达巅顶的经脉是（） ["足厥阴肝经","足少阴肾经","足太阴脾经","手少阴心经","手太阴肺经"]
什么是碳酸盐岩的原生孔隙和次生孔隙？
与血液运行关系最密切的脏器是（） ["心、肝、肾","心、肝、脾","肺、脾、肾","肝、脾、肾","心、肺、肾"]
与津液的输布、排泄密切相关的脏器是（） ["心、肝、肾","心、肝、脾","肺、脾、肾","肝、脾、肾","心、肺、肾"]
6岁儿童诊断为急性阑尾炎，治疗应选择（） ["抗生素治疗","保守治疗无效再手术","中药治疗","尽早手术","保守治疗"]
何谓质粒？有何医学意义？
