【名词&注释】
野菊花(chrysanthemum indicum l)、金银花(honeysuckle)、粉碎性骨折(comminuted fracture)、腕关节(wrist joint)
[单选题]Colles骨折行小夹板固定时,桡侧和背侧夹板的下端应置于何位置()
A. 桡侧和背侧都应超过腕关节(wrist joint)
B. 桡侧平腕关节(wrist joint),背侧超过腕关节(wrist joint)
C. 背侧平腕关节(wrist joint),桡侧超过腕关节(wrist joint)
D. 桡侧于腕关节(wrist joint)上1cm,背侧超过腕关节(wrist joint)
E. 桡侧平腕关节(wrist joint),背侧超过腕关节(wrist joint)2cm