题目内容
取血操作中,下列叙述正确的是( )
2021-09-29
A.针头斜面朝向皮肤
B.针头斜面与皮肤垂直
C.针头垂直静脉走向刺入皮肤
D.针头斜面朝向皮肤垂直静脉走向刺入 皮肤
E.针头斜面向上沿静脉走向刺人皮肤
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