Antigens and antibodies rlo with hyperlink to video and no audio

Antigens and Antibodies

of Blood TypeThe purpose of this activity is to provide

practice with determining antigens and

antibodies

Watch the following video to learn the basics:

Return to the start.

Test your knowledge after you watch the video.

http://youtu.be/83c6mgf-IGQ

Let’s test your understanding of the basics.

• Read each question and click on the correct

answer.

• Continue to practice until you can answer the

questions with ease.

• Watch the video again if you need more

information.


Watch the video again

First let’s review the antigens

• Antigens are like

identifiers on the

surface of the red

blood cells.


What kind of antigen does A-type blood possess?

• Only A-type

• Only B-type

• A and B-type

• none


CORRECT!

• A-type blood has A-

type antigens


Next question

What kind of antigen does B-type blood possess?

• Only A-type

• Only B-type

• A and B-type

• none


CORRECT!• B-type blood has B-

type antigens


Next question

What kind of antigen does AB-type blood possess?

• Only A-type

• Only B-type

• A and B-type

• none


CORRECT!• AB-type blood has both

A and B-type antigens


Next question

What kind of antigens does O-type blood possess?

• Only A-type

• Only B-type

• A and B-type

• none


CORRECT!

• O-type blood has

neither A nor B antigens


Next question

Now let’s think about the antibodies

• Antibodies help to

protect the blood.

• They float around in the

plasma surrounding the

red blood cells.

• They are experts at

finding incompatible

cells and destroying

them.


Next question

What types of antibodies does A-type blood possess?

• Only A-type antibodies

• Only B-type antibodies

• A and B-type antibodies

• No A or B type antibodies


CORRECT!• A-type blood has B-type

antibodies

• If a person with A type

blood was transfused

with some B-type blood,

the B-type antibodies

would attack those B-

type blood cells


Next question

What types of antibodies does B-type blood possess?






CORRECT!• B-type blood has A-

type antibodies

• If a person with B type

blood was transfused

with some A-type

blood, the A-type

antibodies would

attack those A-type

blood cells


Next question

What types of antibodies does AB-type blood possess?






CORRECT!• AB-type blood has no A or B

type antibodies

• If a person with AB type

blood was transfused with

some A or B-type blood,

there wouldn’t be any

reaction! They are a

universal recipient for many

types of blood.


Next question

What types of antibodies does O-type blood possess?






CORRECT!• O-type blood has BOTH A and

B-type antibodies

• If a person with O type blood

was transfused with some A or

B-type blood, their A and B-

type antibodies would attack

those foreign blood cells


Next question

Let’s pretend we have a lot of B-type

blood on hand. Who could receive a

transfusion of this type of blood?

• A person with B-type blood

• A person with AB-type blood

• A person with A-type blood

• A person with O-type blood


Do you need a review?

You’re the right type!• Having completed this activity, you should now

have an understanding of how antigens and

antibodies relate to blood type.


Return to the last question.

Let’s try that one again.

Return to the last question.

Watch the video again


That’s right!• This blood type does not have Anti-B antibodies, so

there would be no transfusion reaction.

Unfortunately that’s not right.

This type of blood has anti-B antibodies, so there would be a transfusion reaction.

Antigens and antibodies rlo with hyperlink to video and no audio

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