A.先用酒精、后用鹽水消毒 B.先用碘酒、后用酒精消毒 C.先用鹽水、后用酒精消毒 D.先用酒精、后用碘酒消毒
A.血壓正常 B.高血壓 C.低血壓 D.臨界高血壓
A.30° B.45° C.90° D.60°