男，10月。有时哭闹。X线检查如图，最可能的诊断为() ["A．畸胎瘤","B．胸腺瘤","C．婴幼儿胸腺","D．右上肺不张","E．神经母细胞瘤"]
传入末梢释放在脊髓能介导痛的主要物质() ["A．抑制性氨基酸","B．P物质","C．去甲肾上腺素","D．一氧化氮(NO)","E．阿片肽"]
脊髓对痛觉调制的关键部位是() ["A．脊髓前角","B．Ⅱ板层","C．Ⅴ板层","D．Ⅳ板层","E．Ⅶ板层"]
侵袭性大肠埃希氏菌EIEC(EnteroinvasiveEscherichiacolienteritisEIEC)
女，8岁，寒战、高热一周，如图所示，最可能的诊断为() ["A．左侧肺不张","B．左侧胸腔积液","C．左侧多发性肺脓肿","D．左心室增大","E．以上都不正确"]
炎症型腹泻(inflammatorydiarrhea)
