推平车上下坡时病人头部应在高处是因为
A.防止血压下降
B.避免呼吸不畅
C.减轻头部充血不适
D.预防坠车
E.有利于与病人交谈
参考答案:C
禁止在广播电台、电视台、报刊播放、刊登烟草制品广告。
School failure and social isolation can lead to early onset of depression in children and teens, and the trend is becoming increasingly common.