超声图像中，形成线状强回声的是() ["A．皮肤","B．脂肪","C．纤维组织","D．结石","E．实质脏器"]
患者，男性农民，右眼被谷物弹伤，视物模糊1个月就诊。检查：右眼视力0.5，结膜充血，角膜有黄白色病灶，污秽，伴前房积脓。该患者最有效的治疗方法是() ["A．氟嗪酸滴眼液","B．两性霉素滴眼液","C．利巴韦林(病毒唑)滴眼液","D．硼酸滴眼液","E．地塞米松滴眼液"]
人体中哪些组织声衰减系数高并可能伴有声影() ["A．肌腱","B．肌肉","C．脑","D．脂肪","E．肝脏"]
简述艾滋病的传染源和传播途径。=
中药煎煮要怎样进行？服药有哪些要求？
食物的分类及宜忌范围有哪些？
