口腔颌面部感染的主要途径是（） ["A.牙源性感染","B.腺源性感染","C.损伤性感染","D.血源性感染","E.医源性感染"]
下列何者不是五味子的功效（） ["生津止渴","敛肺滋肾","敛汗止血","固精止遗","补益脾肾"]
关于妊娠后循环系统变化的描述，下列不正确的是（）。 ["肺动脉瓣区和心尖区出现Ⅱ～Ⅲ级收缩期吹风样杂音","呈生理性贫血，HCT下降，ESR下降","循环血量平均增加50%","水钠潴留，表现为周围性水肿","以血浆增加为主，占50%～60%"]
Mutansstre cryptococcus指的是（） ["变形链球菌组","变形链球菌","远缘链球菌","野生链球菌","鼠链球菌"]
有意义的菌尿是指尿中菌量达到（） [">105",">104",">107",">106",">103"]
.燃烧是（）之间的放热反应，通常会同时出现火焰或可见光。
