长吸气呼吸的损害部位是（） ["间脑","中脑","脑桥","延髓","脊髓"]
目前认为对冠心病猝死有预防价值的药物是（） ["利多卡因","阿司匹林","心律平","美多洛尔","维拉帕米"]
阿米巴肝脓肿的主要临床表现是（） ["发热，黄疸，肝痛","发热，贫血，肝肿大","贫血，黄疸，肝肿大","发热，肝肿大，肝区疼痛","发热，黄疸，肝肿大"]
羊水的pH值是（） ["7.0～7.4","4.5～6.5","6.5～7.0","3.5～4.5","＜3"]
皮肤与外界环境之间的温度差可以影响（） ["机体产热","机体散热","皮肤血流量","皮肤弹性"]
什么是脊髓减压病？
