Treatments for Kidney Failure

• What are the treatments for kidneys failure?

  Dialysis, kidney transplants
• What is a first step of dialysis machine?

  The blood is taken from human`s vein, the blood is going to travel thorugh partially permeable membrane and it will be surrounded by dialysis fluid
• Why useful dissolved ions and glucose won`t be removed from the blood?

  Because the dialyisis fluid has the same concentration of dissolved ions and glucose as healthy blood
• which waste products will be diffused across the barrier?

  urea , excess ions and water
• Why does dialysis fluid flow in opposite direction of the blood?

  To allow exchange occurs where a concentration gradient exists
• What are the disadvantages of dialysis treatment?

  • they must have a dialysis session three times a week for 3-4 hours, so it may affect person`s lifestyle
  • dyalysis may cause blood clots or infection
  • it is expensive for NHS to run
• What are the disadvantages of kidney transplant?

  • higher risk of infection/rejection by the body
  • long waiting list
  • expensive
  • exploitation of poor people to donor kidneys
  • neet to match tissue type