人被病犬咬伤后是否发病,与其无关的因素是()
A.咬伤的部位及严重性
B.咬伤部位衣服的厚薄
C.病犬存活时间的长短
D.伤口的处理及疫苗注射情况
E.患者的免疫功能
参考答案:C
不符合Crohn病的描述是().
A.只累及回肠
B.呈节段性分布
C.常呈慢性经过
D.肠黏膜呈鹅卵石状外观
E.形成裂隙及匐行性溃疡
Each life preserver must be readily accessible to the person for whom it is intended while he or she is().
A.at work
B.in his or her berthing area
C.BOTH at work and in his or her berthing area
D.None of the above are correct