Nurses/Docs - How oodles ml of blood is it protected to filch?

Hi.

I am looking to have many blood samples taken contained by one sitting to send off to a lab, 15 tests.

The most I've ever tolerated past is 7, so I'm a bit worried this is too much and I'll pass out.

I am told the total blood needed is: 30ml

Is this too much?

I have no idea, I presume maybe from memory 50ml is the maximum a nurse would usually take, or was it 5ml?

I want to clear sure!

Thank you for any information.
Answers:
You'd be OK with ten times that - it's not even an armful, just a finger full. :-)
During donation they take from a human 470 ml of blood, so it is maximal volume you can stand. Source(s): http://www.blood.co.uk/visually_impaired…
You can donate a pint of blood to a blood bank. This pint of blood is 450ml. You will be fine having 30ml taken, the nurse wouldn't take too tons samples. Don't worry.
500mls is soundly taken when donating blood! Source(s): GP for more years than I care to remember
30 ml is solitary one ounce - you will be fine.
[ Some of the tests are combined in one tube so you will only want maybe 5 tubes, depending on what all they test for. ] Source(s): RN

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