In normol adult,the lumbar puncture is most often performed at which of the follow interspace
A. T12~L1
B. L1~L2
C. L2~L3
D. L3~L4
E. L4~L5
One of the most common complications is which of the follow disease
A. meningitis
B. tonsilar hernia
C. headache
D. subarachnoidhemorrhage
E. impairment of spinal card
关于咽的描述,哪项是错误的?( )
A. 为前后略扁的肌性管道
B. 是消化道和呼吸道共用的通道
C. 前壁完整
D. 下端移行为食管
E. 借咽峡与口腔相通
食管的第二个狭窄在( )
A. 与左支气管交叉处
B. 穿膈处
C. 行经胸廓上口处
D. 距中切牙25 cm处
E. 与主动脉交叉处