肺癌实质的MRI信号特点一般为() ["A．TWI中等信号，TWI高信号","B．TWI低信号，TWI高信号","C．TWI信号均匀，TWI不均匀","D．TWI高信号，TWI高信号","E．TWI信号均匀、TWI信号均匀"]
淤血有哪些后果?举例说明。
心绞痛时，感左上臂内侧疼痛，此痛属于() ["A．想象性疼痛","B．牵涉痛","C．躯体性疼痛","D．神经官能症","E．以上均不是"]
消化道溃疡的最常见症状是() ["A．腹胀","B．恶心","C．呕吐","D．上腹痛","E．便血"]
"二期愈合"的伤口与"一期愈合"伤口有什么不同?
何谓淤血?引起淤血的原因有哪几种?各举例说明。
