Things You'll Need:
- Card with blood type on it.
- Place where you can check your blood type.
- Check at a laboratory or clinic.
- Check at a blood center.
- Check at your doctor's office.
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Step 1
Giving blood will mean that you may need to fast (go without eating for 3 - 4 hours). The food will still be in your blood streams, and show up as fat. The person receiving the blood may have a reaction from receiving the blood. The blood must be refrigerated at all time. Imagine receiving cold blood in your veins. That this may cause a reaction.
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Step 2
If you only want to find out your blood type, you will probably have to pay for the laboratory service. They may take a blood sample with a syringe from your vein, and also run other test with the blood.
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Step 3
If you want to know what blood types there are you can ask the blood bank, and they will tell you. Type O, the common or universal type. Type A the second most common, type B, a rare blood type, and type AB, the rarest blood type. Type O can be given in an emergency, if your specific type is not available. You may have a reaction, because other factors are involved in the transfusion of the blood. Type O can only received type O blood. You can only receive your same RH factor, RH negative, or RH positive. Remember there are cells containing your blood type and the
liquid or plasma, contains the RH factor.











Comments
johnsk said
on 8/17/2009 Step 1 seems wrong, I am donating blood and have been told by the doctor to make sure I eat something before i donate as to not give blood on an empty stomach.
Also in Step 3 - "You can only receive your same RH factor, RH negative, or RH positive." - This is wrong as you can receive RH positive and negative if you are RH positive but only RH negative if you are RH negative.