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                                    單項選擇題
                                    
    男性，55歲。近2天出現(xiàn)上腹部不適，嘔吐，嘔吐物為酸臭的宿食，吐后癥狀可緩解，查體見胃型及蠕動波，該患者的診斷是（）
    
                                
    
                                
                                    
    
	A.腸梗阻
    
	B.胃潰瘍
    
	C.肝炎
    
	D.膽囊炎
    
	E.幽門梗阻
    

    
                                
                                
                                
    
                                    
                                
    
                                

                        
    
                    
                
    

                
                    
                    

            
    
            
    
                
            
    
        
    
    
    
    

    

    
    
    
        
    
            
    
                
                
    

                
    
            
    
        
    
    
    

    

    
    
    
        
        
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