A.預(yù)防直立性低血壓 B.預(yù)防直立性高血壓 C.預(yù)防生理性低血壓 D.預(yù)防繼發(fā)性高血壓
A.清晨或空腹 B.餐后1h或餐前30min C.餐后2h或餐前30min D.餐后2h或餐前2h
A.病情危重或四肢骨折 B.病情危重或頸、腰椎骨折 C.病情危重或顱骨骨折 D.病情危重或肋骨骨折