A 10-year-old boy presents to the physician with fever, headache, and stiff neck. Examination is remarkable for asymmetric weakness and hyporeflexia. He has a poor immunization history, and poliomyelitis is diagnosed. What is the primary mechanism by which poliovirus causes paralytic disease?

幼儿缺乏哪种矿质元素容易出现厌食和异食癖：

未知题型幼儿缺乏哪种矿质元素容易出现厌食和异食癖：

用户画像需要应该尽量清晰，不能太简略。 A、正确 B、错误

单项选择题用户画像需要应该尽量清晰，不能太简略。
A、正确
B、错误

当人体失水量超过体重的（）时，会出现血压下降、眼球内陷、皮肤失去弹性、烦躁甚至出现幻觉和昏迷等症状。

未知题型当人体失水量超过体重的（）时，会出现血压下降、眼球内陷、皮肤失去弹性、烦躁甚至出现幻觉和昏迷等症状。