Why You Can't Mix Blood Types
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Task Description
While blood types have been around for at least 20 million years, doctors have only known about them for about 116 years. Prior to the 1900s, countless people died when they were injected with the wrong type of blood. This is because blood is composed of proteins called antigens that, when mixed with the wrong type, fight each other as if you're body was fighting an infection.
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While blood types have been around for at least 20 million years, doctors have only known about them for about 116 years. Prior to the 1900s, countless people died when they were injected with the wrong type of blood. This is because blood is composed of proteins called antigens that, when mixed with the wrong type, fight each other as if you're body was fighting an infection.
Video source
Why You Can't Mix Blood TypesVideo length
2 minutes 41 seconds
Video genre
Lectures (e.g. TED talks)
Language goals
Level
The above lesson is a great teaching resource for:Intermediate (B1), Upper-intermediate (B2)
Student type
This resource is intended for:Adults
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Quality not yet verified by the community.
Sensitivity
This resource does not contain any images, words or ideas that would upset a reasonable person in any culture.
Copyright license
This resource is licensed by andrewliberman under the Creative Commons Attribution License.
Upload date
8/9/2022
Video quiz questions (printable)
1. Choose the correct options.
Although the blood types have been around for at least 20 million years, for how long have the doctors known about them?
For a short while
For the last 116 years
For around 500 years
They have been discovered 1000 years ago
2. Choose the correct options.
Why did people often die before 1900 during transfusion?
They have medical preconditions
They were injected with the wrong blood
They had terminal diseases
They had more antigens than it was required
3. Choose the correct options.
What is another way to call proteins?
platelets
erythrocytes
antigens
gens
4. Choose the correct options.
What antigens does Type B blood contain?
Type A antigens
Type B antigens
Type AB antigens
5. Choose the correct options.
Why is it critical to know your blood type?
Wrong blood may cause minor problems
Wrong blood may be fatal for a recipient
Wrong blood may change antigens
Wrong type may dominate
6. Correct the wrong word.
The AB group and Rh group are the two most infrequent blood groups.
7. Choose the correct options.
What blood type is more common in the Western hemisphere?
Type O
Type A
Type B
Type AB
8. Choose the correct options.
What are your chances of developing the rarest AB negative blood type?
less than 2% worldwide
less than 10% worldwide
less than 20% worldwide
less than 50% worldwide
9. Choose the correct options.
Scientists have already identified why there are so many blood types and where they came from
TRUE
FALSE
10. Choose the correct options.
Which of these diseases people with blood type A have no risks at all?
Pancreatic cancer
Leukemia
Smallpox
Heart disease
Brain cancer
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