关于肠梗阻呕吐叙述，下列哪一项是错误的

问题：

A . 高位小肠梗阻呕吐出现早，且较频繁
B . 低位小肠梗阻呕吐发生晚，呕吐物“粪样”
C . 结肠梗阻很少呕吐
D . 绞窄性肠梗阻呕吐物可为血性
E . 麻痹性肠梗阻呈喷射状

参考答案：E

参考解析：

麻痹性肠梗阻的突出表现为全腹的明显腹胀，且常伴有呕吐胃内容物，呕吐物中无粪味。喷射性呕吐常发生在患有脑部疾病时，如患脑膜炎或脑部肿瘤，因颅内压增高而出现喷射样呕吐。

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