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Red Blood Cell Antigens

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Questions and Answers

What is the main role of red blood cell antigens?

Determine an individual's blood type (correct)

Control oxygen transport in the bloodstream

Stimulate antibody production in response to infection

Promote blood circulation in the body

In the context of blood transfusion, what is the consequence of mismatched red blood cell antigens?

Enhanced oxygen delivery to tissues

Agglutination, causing blockage of small blood vessels (correct)

Stimulation of white blood cell production

Improved immune response

How does the immune system respond to foreign particles recognized as antigens?

It promotes clot formation

It releases antibodies for specific immunity (correct)

It triggers the release of enzymes for digestion

It enhances oxygen exchange in the lungs

What happens if a person's antibodies recognize transfused red blood cells as foreign?

Agglutination, leading to blood circulation issues Signup and view all the answers

Why does agglutination of red blood cells pose a risk to the body?

It can clog up small blood vessels Signup and view all the answers

What determines your blood type according to the ABO blood group system?

The presence of A or B antigens on red blood cells Signup and view all the answers

What happens if someone with type O blood receives a blood transfusion from a person with type A blood?

Blood clumping or agglutination occurs Signup and view all the answers

Why can't someone with type A blood receive blood from a type B donor?

The recipient's antibodies would react with the donor's antigens Signup and view all the answers

What is unique about the immune system response in individuals with AB blood type?

They have no antigens on their red blood cells Signup and view all the answers

Why is type O blood considered the 'universal donor'?

It has no antigens, so it can be safely transfused to anyone Signup and view all the answers