Dialysis

Question 1

dialysis

Answer 1

function of kidney carried out artificially

Question 2

kidney transplant

Answer 2

failed kidneys can be replaced with a healthy one

Question 3

dialysis machine

Answer 3

persons blood leaves body and flows through partially permeable membrane
dialysis fluid contains conc of useful substances as a healthy persons blood would

Question 4

how dialysis machine work

Answer 4

fluid ensures theres no net movement of glucose out of blood
excess ions move out of blood down a conc. gradient, leaving plasma conc. of mineral ions normal
fluid contains no urea to maintain steep gradient

Question 5

disadvantages of DM

Answer 5

person has to carefully control diet to keep stable blood chemistry
protein intake managed
regular,long sessions connected to machine
may feel tired/unwell between dialysis sessions
balance more difficult to control over the years

Question 6

kidney transplants