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[问答题] B型血有些什么亚型?

老年男性,因咳嗽,咳黄痰3天就诊。查体发现主动脉瓣区粗糙的收缩期杂音。超声心动图示主动脉瓣狭窄,左室射血分数0.55,心电图检查正常。请问对该患者哪一项处置方法不恰当() ["胸部X线检查","化痰药物","血管紧张素转化酶抑制剂","定期做超声心动图","抗生素"] 在手掌面,第4、5掌骨之间,握拳时当小指尖处的腧穴是() ["少府","少冲","劳宫","鱼际","神门"] 人参的显微特征是() ["树脂道碎片","草酸钙簇晶","淀粉粒","网纹或梯纹导管","木栓细胞"] 以下腧穴中,不属于手少阴心经的是() ["A.少府","B.少冲","C.少泽","D.少海","E.神门"] 患者男,27岁。劳累时心悸,胸骨后疼痛1年。查体可闻及主动脉瓣区收缩期粗糙的喷射性杂音,主动脉瓣区第二心音减弱。X线检查示:左室扩大和升主动脉扩张。可能的诊断是() ["冠心病心绞痛","非梗阻性肥厚型心肌病","主动脉瓣狭窄","主动脉瓣关闭不全","高血压心脏病"] B型血有些什么亚型?
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