介导体液免疫的是（） ["LAK细胞","T细胞","K细胞","B细胞","NK细胞"]
蹲踞改善症状的机制（） ["间接增加肺动脉压和肺血管阻力","直接增加外周血管阻力","减少全身氧耗","增加腹内压和回心血量","减少回心血量"]
与戴入可摘局部义齿后基牙疼痛无关的因素是（） ["卡环过紧","基托与基牙接触过紧","支托上有高点","基托伸展过长","设计不当基牙受力过大"]
我国传染病防治法规定，城镇发现肺炭疽时，报告时限不超过（） ["10小时","12小时","6小时","4小时","8小时"]
T细胞按其表面抗原分为两个主要亚群，分别是（） ["CD4、CD8","CD4、CD6","CD6、CD8","CD3、CD8","CD3、CD4"]
什么是CSP工艺？
