【单选题】一头奶牛偷食了大量玉米,随后食欲废绝,反刍停止,精神沉郁,鼻镜干燥,喜饮水,临床检查时重点诊断的部位是( )
【简答题】西洋参的主要活性成分是西洋参皂苷。( )
【简答题】Dolphins ( 海豚 ) are not fish, but warm-blooded animals. They live in groups, and speak to each other in their own language. In this they are like other animals, such as bees and birds. But dolphins ar...
【单选题】某贫血患者MCV82fl,MCH27pg,MCHC33%,属于
【单选题】某贫血患者MCV82fl,MCH27pg,MCHC33%,属于( )。
【单选题】关于视诊,下列哪项是正确的:
D.
通过对呼吸频率、深度和节律的观察,可判定有无呼吸困难