B3 3.3: Dialysis - An artificial Kidney

All information was taken directly from the AQA revision guide with only the key points from B3.3.

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What can Dialysis help you do?
Keep someone alive who has kidney failure.
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How does a dialysis machine work?
Blood flows between partially permable membrane where dialysis fluid only has useful substances so the waste substances go down the conc gradient into the dialysis fluid.
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What does the dialysis machine achieve?
It restores concentration of useful substances back into the blood.
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How often is the dialysis machine needed?
A couple of times a week, at regular intervals.
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Why would the person need a dialysis machine?
If their kidney becomes damaged and is unable to carry out the functions of a normal kidney.
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Why would a person stop using a dialysis machine?
If they had a kidney transplant.
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Card 2

Front

How does a dialysis machine work?

Back

Blood flows between partially permable membrane where dialysis fluid only has useful substances so the waste substances go down the conc gradient into the dialysis fluid.

Card 3

Front

What does the dialysis machine achieve?

Back

Preview of the front of card 3

Card 4

Front

How often is the dialysis machine needed?

Back

Preview of the front of card 4

Card 5

Front

Why would the person need a dialysis machine?

Back

Preview of the front of card 5
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