Kidneys 3 - Dialysis & Transplants
This lesson covers:
- The consequences of kidney failure
- The advantages and disadvantages of dialysis
- The advantages and disadvantages of kidney transplants
What are the consequences of kidney failure?
(Select all that apply)
Stunted growth
Poor regulation of ion levels
Increase risk of heart attack
Increase in waste products like urea
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Which of these are treatments for kidney failure?
(Select all that apply)
Kidney transplant
Vitamin supplements
Antibiotics
Dialysis
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In a dialysis machine, why is it important that the membrane between the blood and dialysis fluid is partially permeable?
To stop any substances diffusing across
To allow all substances to diffuse across
To only allow some substances to diffuse across
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In a dialysis machine, why is it important to continually pump fresh dialysis fluid through the machine?
To stop diffusion
To reduce the concentration gradient for diffusion across the membrane
To maintain a concentration gradient for diffusion across the membrane
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Will fresh dialysis fluid contain urea?
Yes
No
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If a person has too much sodium in their blood, which way will the sodium diffuse during dialysis?
From the dialysis fluid into their blood
From their blood into the dialysis fluid
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Dialysis fluid contains _________________ of useful substances as healthy blood.
a different concentration
the same concentration
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What are the downsides of dialysis?
(Select all that apply)
There is a risk of rejection by the immune system
It is time consuming
It is expensive to run
There is a risk of infection
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True or false? A living person can donate a kidney because we are all born with two.
True
False
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If a patient has a kidney transplant, what type of drugs are they required to take for the rest of their lives?
Painkillers
Antibiotics
Immunosuppressants
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Rejection of a transplanted organ
destroy / rejected / foreign / medications
- The main risk with kidney transplants is that the organ will be .
- This can happen because the body's immune system treats the transplanted organ as a object, and so tries to it.
- We can reduce the risk of this happening by using to suppress the immune system.
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In the long term, which is cheaper: a kidney transplant, or dialysis?
Kidney transplant
Dialysis
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