致密斑位于() ["远曲小管","入球小动脉","出球小动脉","肾小球血管襻","入球小动脉和出球小动脉间"]
下列哪项不是小儿咳嗽的治疗原则() ["宣通肺气、化痰止咳","有表证者应疏散外邪","有里证者宜温补脾肾、","风寒者宜疏风散寒宣肺止咳","风热者宜疏风清热化痰止咳"]
再生障碍性贫血的血象不会表现为() ["红细胞减少","白细胞减少","血小板减少","淋巴细胞比例下降","单核细胞减少"]
牙周炎与牙龈炎的根本区别是() ["龈沟深度超过3mm","有牙龈自发性出血","有附着丧失","牙龈肿胀的程度","牙龈质地松软脆弱"]
女性,72岁,反复发作性双膝关节痛二年,尤为下楼及下蹲时加重。曾行关节腔内药物注射及局部封闭治疗,疗效短暂。首选的治疗方法是() ["A.干扰电配合微波","红外线","紫外线","超短波配合离子导入","蜡疗配合激光"]
白喉杆菌侵入(),分泌(),使局部和周围组织坏死,形成()。