下列骨折中最不稳定的骨折类型是()。
A.嵌插骨折
B.斜形骨折
C.青枝骨折
D.横形骨折
E.裂缝骨折
参考答案:B
有关绞窄性疝,下列哪项是错误的()
A.疝囊内渗液转为血水性
B.被卡住的肠管呈深红色
C.伴有急性机械性肠梗阻
D.引起疝外被盖组织蜂窝织炎
E.自行穿破引起粪瘘
Mark’s Warehouse Clearance Store is having sale with savings of up to 40 percent off on all clothing this weekend () celebration of its 25th anniversary.
A.in
B.at
C.on
D.of