题目：
大剂量阿司匹林引起胃出血的原因是：
A．抑制血小板聚集
B．直接刺激胃黏膜
C．抑制PG合成
D．以上均不是
E．抑制凝血过程
答案：
参考答案：C
大剂量阿司匹林引起胃出血的原因是：A．抑制血小板聚集 B．直接刺激胃黏膜 C．抑制P
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