右心功能不全可出现()风心病二尖瓣狭窄可出现() ["二尖瓣开放拍击音","舒张期奔马律","收缩早期喷射音","枪击音、杜氏双重音","点头运动"]
常见的曳引轮绳槽有三种形式,但不包括()。 ["A、带切口的半圆槽","B、半圆槽","C、梯形槽","D、V形槽"]
正常胃泡鼓音区()正常肝浊音区()正常脾浊音区() ["上界为膈及肺下缘,左界为脾脏","腋中线上第9~11肋间,宽约4~7cm,前方不超过腋前线","耻骨上方圆形浊音区","上界为右锁骨中线上第5肋间","脐部鼓音"]
肝淤血()肝癌()晚期肝硬化() ["肝脏轻度肿大,质稍韧,表面光滑,边缘钝,有压痛.","肝脏肿大较明显,质韧或稍硬,压痛较轻","肝脏明显肿大,质韧,表面光滑,边缘钝,有压痛,肝颈静脉回流征阳性","肝脏缩小,脾大","肝脏明显肿大,质硬如石,表面有大小不等的结节或巨块,边缘不整,压痛明显"]
三角带传动如要增加传动力通常是通过()来实现。 ["A、增大包角","B、减少包角","C、增加传动带的根数","D、增大主动轮"]
正常胰腺()急性出血性胰腺炎()胰头癌()