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By sticking a needle in your vain, and using a pump to extract blood:)
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∙ 12y ago
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How do doctors check how much blood you have in your body?
Doctors don't check how much blood you have in your body. They do a best guesstimate based on size and weight. Some lab tests check the relative and absolute numbers of blood cells per unit volume.
What to do on the first day or nursing duty?
they take blood pressures, take x-rays to doctors, give injections to people, flirt with doctors lol
What separation techniques do doctors?
Filtering blood from a patients body and making sure it is clean
Can a blood test show what kind of pills someone has taken?
Yes. If you take a drug test, doctors will know by the elements in your blood, as drugs stay in your body for some time, and that may be a long time in cases.
Where do the blood vessels take blood to?
everywhere in your body.
What does blood in veins do?
they take blood to the heart or take through you're body
How do they test for alchohol in an autopsy?
Blood is taken from the dead body and doctors test the alcohol content
What dos red blood cells do?
Take blood around your body.
How can doctors determine positive or negative blood types.?
Doctors can determine positive or negative blood types by administering a test. The difference between positive and negative types is the presence of the RH factor. Positive blood types indicate the presence of the RH factor while negative blood types do not have this factor.
Before heart a surgery do doctors connect the patient to a machine that pumps the blood for the heart?
yes because then you will die if no blood is pumped through your body :P
Who earns more vets or doctors?
docters because they take care of the human body
How much of water in blood-?
The composition of water in our blood is about 92%.
