dialysis

Question 1

what is dialysis

Answer 1

the method of removing wastes from the blood when kidney failure occurs

Question 2

two types of dialysis

Answer 2

1. peritoneal dialysis
2. haemodialysis

Question 3

peritoneum

Answer 3

membrane that lines the inside of the abdominal cavity and covers abdominal organs such as stomach, liver, intestines.
- rich in blood supply

Question 4

peritoneal dialysis

Answer 4

occurs inside body using the peritoneum as a membrane across which waste can be removed
- a catheter is placed through the wall of the abdomen and for adults, 2-3L fluid are passed through the catheter into abdominal cavity
- the fluid canaries glucose and other substances similar to components of blood
- after time, the fluid is drained out through the catheter, along with any wastes that have diffused from the blood
- usually done once a day

Question 5

haemodialysis

Answer 5

involves passing the blood through an artificial kidney or dialysis machine
- blood passes through thousands of fine tubes, made of a differentially permabele membrane and immersed in a fluid
- concentration of substances in the fluid similar to components in blood (no waste though)
- patients spend about 4-5 hours attached to the machine and dialysis done x3 a week