急性糜烂性胃炎主要临床症状是() ["A．呕血、黑便","B．恶心、呕吐","C．腹胀、腹泻","D．腹痛不适","E．食欲减退"] 应激状态引起急性糜烂出血性胃炎的机制是() ["A．粘膜缺血、缺氧","B．胃酸分泌增多","C．粘液分泌增加","D．肥大细胞释放5-羟色胺及组胺","E．局部前列腺素增加"] 关于胃窦胃炎，下列临床表现哪项是不正确的是() ["A．不引起恶性贫血","B．消化道症状多见","C．常与溃疡病同在","D．血清壁细胞抗体多为阳性","E．可有上消化道出血"] 女，45岁，间歇上腹隐痛、饱胀不适6年，查体无异常。胃镜检查胃窦粘膜稍苍白，变薄，可透见粘膜下紫蓝色血管网。最可能的诊断为() ["A．慢性浅表性胃炎","B．慢性萎缩性胃炎","C．慢性肥厚性胃炎","D．瘢痕期胃溃疡","E．早期胃癌"] 慢性胃炎患者，有明显胆汁反流。下列哪项药物在治疗上最好() ["A．吗丁啉或消胆胺","B．三矽酸镁","C．口服庆大霉素","D．肾上腺皮质激素","E．生胃酮"] 下列除哪项外均符合急性糜烂性胃炎的改变()