单选题
The invasive diarrhea and the non-invasive diarrhea are different in that ______.
A、
the former attacks the intestine walls but the latter does not
B、
the former causes dehydration but the latter does not
C、
the former makes the patient physically weaker than the latter
D、
the former is more dangerous than the latter
【正确答案】
A
【答案解析】
“痢疾性腹泻侵袭下肠壁，引起发炎、脓肿和溃疡，……非痢疾性腹泻……但不侵袭肠壁。菌落释放的毒素引起痉挛、恶心、呕吐。”所以A(前者侵袭肠壁而后者不)是正确答案。
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