– When doing blood tests for drugs why does the blood have to be taken from a vain or artery?

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I was watching a Police show and they couldnt prosecute a drug driver because they couldnt get a blood sample from him because of his drug use. Why (and this sounds really sadistic) can’t they take blood extracted another way?

In: Biology

4 Answers

Anonymous 0 Comments

It takes an amount of blood that would be painful/difficult/slow to extract some other way. Using a needle is the only practical way that doesn’t produce more concerns than it addresses.

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