支气管哮喘的主要临床表现是() ["反复发作的呼气性呼吸困难伴哮鸣音","血嗜酸性粒细胞增多","反复发作的吸气性呼吸困难伴哮鸣音","痰涂片较多嗜酸性粒细胞","气道激发试验阳性"]
女性38岁,右侧眼球运动障碍伴眼球突出4个多月,CT扫描如图,请选择正确的描述和答案()。 ["右侧筛窦内可见囊性肿块影,边缘光整","囊性肿块向右侧眼眶内突入,压迫内直肌","右侧眶内壁呈受压变薄、断裂","考虑为右侧筛窦黏液囊肿","考虑为筛窦癌"]
老年人随着年龄的增长,主要增加的口腔疾病是() ["根面龋","牙髓炎","口干","牙列不齐","口吃"]
患者,男性,右侧下肢偏瘫,选用轮椅。轮椅坐位的长度是坐垫的前缘离腘窝() ["A.1.5cm","3.5cm","4.5cm","5.5cm","6.5cm"]
连续监测法测定活性时,血清用量10μl,底物量350μl,光径1cm,NADH在340nm的摩尔吸光系数为6300,计算K值为() ["3376","4127","4920","5714","6508"]
可以通过弯曲将一个正方形面弯曲成()。