99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

If the patient vomits during mouth-to mouth resuscitation,the rescuer should FIRST().

A.ignore it and continue mouth-to-mouth ventilation
B.pause for a moment until the patient appears quiet again,then resume ventilation mouth-to-mouth
C.switch to mouth-to-nose ventilation
D.turn the patient's body to the side,sweep out the mouth and resume mouth-to-mouth ventilation

微信掃碼免費(fèi)搜題