1. What is an antigen? 2. Why is it important to match blood types when giving a blood transfusion?

3. Why are people with type O blood called "universal donors"?

4. Who are universal recipients? Why?

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What is an antigen?

a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

Why is it important to match blood types when giving a blood transfusion?

The accurate grouping of blood is very important when it comes to having a blood transfusion. If blood is given to a patient that has a blood type that is incompatible with the blood type of the blood that the patient receives, it can cause intravenous clumping in the patient's blood which can be fatal.

Why are people with type O blood called "universal donors"?

Type O-negative blood does not have any antigens. It is called the "universal donor" type because it is compatible with any blood type. ... Minor antigens (other than A, B, and Rh) that occur on red blood cells can sometimes also cause problems. So they are also checked for a match before giving a blood transfusion.

Who are universal recipients? Why?

Type AB-positive blood is called the "universal recipient" type because a person who has it can receive blood of any type. Although "universal donor" and "universal recipient" types may be used to classify blood in an emergency, blood type tests are always done to prevent transfusion reactions.

Explanation:

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