下列生物活性物质不属于内分泌的是（）
A.肾上腺素
B.内因子
C.胰岛素
D.前列腺素
E.甲状腺素
参考答案：B
_____, Carolina couldn't get the door open. [ ]
A. Might she as try
B. As she might try
C. She might as try
D. Try as she might
有关血尿的概念不正确的是（）
A.肉眼血尿一般略浑浊
B.肉眼血尿离心后上清液无色或淡黄色透明
C.血尿尿沉渣检查红细胞>5个／高倍视野
D.假性血尿有可能是月经污染
E.血尿可以分为肉眼血尿和镜下血尿
