用药和急救不正确的是（ ）
A．感冒了，到药店购买有R标志的感冒药，按药品的说明书服药
B．出血时，血液呈鲜红色，从伤口喷出或随心跳一股一股地涌出是动脉出血
C．安全用药事关人体健康，越贵的药物，效果越好
D．某人因外伤出血，血色暗红，紧急抢救的方法是：用止血带在血管的远心端捆扎
A、有R标志的药是处方药，处方药必须凭执业医师或执业助理医师的处方才可以购买，并按医嘱服用的药物．该选项的叙述是不正确的．
B、外出血分毛细血管出血、静脉出血和动脉出血．毛细血管出血时血液呈红色，血液从伤口缓慢渗出，一般能自行凝固止血．静脉出血时血色暗红，血液连续不断地从伤口流出．动脉出血时血色鲜红，血液从伤口外喷射而出或一股一股地涌出．该选项的叙述是正确的．
C、安全用药是指根据病情需要，选择适合的药物，贵的药物，若不适合病情，疗效不一定好．该选项的叙述是不正确的．
D、血液暗红色，一般属于静脉出血，应在远心端处用手指、止血带或绷带止血．该选项的叙述是正确的．
故选：A、C
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| I ran into a stranger as he passed by. "Oh, excuse me please" was my _1 . He said: "Please excuse me too; I wasn't watching for you." We were very 2 , this stranger and I. We went on our way and we said goodbye. But at home a 3 story is told. Later that day, when I was cooking the evening meal, my daughter stood beside me very 4 . When I 5 , I nearly knocked her down. "Move out of the 6 ," I said with a frown. She walked away, her little heart broken. I didn't 7 how harshly (严厉地) I'd spoken. While I lay awake in bed that evening, my husband said to me, "While 8 a stranger, you are polite, but with the girl you love, you are 9 . Go look on the kitchen floor; you'll find some flowers by the door. Those are the flowers she brought for 10 . She picked them herself: pink, yellow and blue. She stood quietly not to 11 the surprise, and you 12 saw the tears in her eyes." _13 , my tears began to fall. I quietly went and knelt down by her bed. "Wake up, little girl," I said. "Are these flowers you picked for me?" She smiled: "I found them out by the tree. I picked them 14 they're pretty like you. I knew you'd like them, especially the blue." I said: "Daughter, I'm sorry for the way I 15 today. I 16 have yelled at you that way." She said: "Oh Mom, that's okay. I love you anyway." I said: "Daughter, I love you too. And I do like the flowers, especially the blue." I had got the world 17 again. I'd 18 to be polite to people in the street - good 19 make society work. But a stranger is someone we bump into once and then never see again - and 20 is for life. | ||||
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