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Questions and Answers
What percentage of donors have O positive blood type?
What percentage of donors have O positive blood type?
Which blood type is known as the universal blood type?
Which blood type is known as the universal blood type?
How many main blood groups are in the ABO group system?
How many main blood groups are in the ABO group system?
What determines the letter part of your blood type?
What determines the letter part of your blood type?
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What are antigens?
What are antigens?
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What determines the positive or negative part of your blood type?
What determines the positive or negative part of your blood type?
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Can you receive blood from a donor with a different blood type?
Can you receive blood from a donor with a different blood type?
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Where are antigens located on a red blood cell?
Where are antigens located on a red blood cell?
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What is the role of antibodies in the body's natural defense system?
What is the role of antibodies in the body's natural defense system?
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What determines an individual's ABO blood group?
What determines an individual's ABO blood group?
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What is the characteristic of an individual with blood group O?
What is the characteristic of an individual with blood group O?
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What determines whether an individual's blood type is positive or negative?
What determines whether an individual's blood type is positive or negative?
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What percentage of donors are Rh D positive?
What percentage of donors are Rh D positive?
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What is the role of the four other main antigens in the Rh system?
What is the role of the four other main antigens in the Rh system?
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Study Notes
Finding Your Blood Type
- You can find out your blood type after your first blood donation.
Blood Types and Their Frequencies
- There are eight main blood types, with frequencies: • O positive: 35% • O negative: 13% • A positive: 30% • A negative: 8% • B positive: 8% • B negative: 2% • AB positive: 2% • AB negative: 1%
Blood Type Compatibility
- You can receive blood from a donor with the same blood type as you.
- You can also receive blood from a donor with a compatible blood type.
- O negative blood is the universal blood type, safe for everyone to receive.
Inheritance of Blood Type
- Your blood group is inherited from genes passed on by your parents.
- The ABO group system gives the letter part of your blood type.
- The R h system gives the positive or negative part of your blood type.
ABO Group System
- There are four main blood groups in the ABO group system.
- E ach group is important, and we need donors from every group.
- Your blood group depends on the antigens and antibodies in your blood.
Antigens and Antibodies
- Antigens are a combination of sugars and proteins that coat the surface of a red blood cell.
- Antibodies are important in transfusion as they are the body's natural defense system.
- Giving someone blood from the wrong ABO group can be life-threatening.
Blood Groups
- Blood group O: no antigens, with anti-A and anti-B antibodies.
- Blood group A: A antigens, with anti-B antibodies.
- Blood group B: B antigens, with anti-A antibodies.
- Blood group AB: A and B antigens, with no antibodies.
Positive or Negative Blood
- The D antigen in the R h system determines whether you have positive or negative blood.
- If you have the R h D antigen, your blood type is positive; if you lack it, your blood type is negative.
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Description
Learn about the different blood types, their frequencies, and blood type compatibility. Understand which blood types are compatible with each other.
