题目内容
绞窄疝时,疝内容物是肠管时,其病理变化为( )。
2021-10-11
A.疝襄内有血性渗出液
B.相应肠系膜动脉搏动消失
C.肠管呈紫黑色,无光泽与蟠动
D.肠管呈深红色,充血、水肿、蠕动微弱
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