如图所示,小球在桌面上处于静止状态,画出小球所受重力的示意图.
患者男,50岁,主诉阵发性腹痛腹胀5小时,查体全腹膨隆,弥漫轻压痛,听诊可闻及气过水声,首先考虑的诊断为()
A.肠套叠
B.肠扭转
C.机械性肠梗阻
D.绞窄性肠梗阻
E.动力性肠梗阻
Everyone()the right to his own opinion.
A.imitates
B.requests
C.deserves
D.outlines