A 减少肾血流量,使尿量减少 B
对血管平滑肌β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12475447_0.gif">受体作用很弱 C
直接激动心脏β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12475447_0_1.gif">受体 D
激动血管平滑肌多巴胺受体 E
间接促进去甲肾上腺素释放