Bio 3.3 Dialysis 2.0 / 5 based on 1 rating ? BiologyMedicine and drugsGCSEAQA Created by: DanCreated on: 31-03-13 11:17 When is a Dialysis machine used? If a person has Kidney failure 1 of 13 What job does the Dialysis machine carry out? The job of the Kidneys 2 of 13 There are 5 steps to the Dialysis process. State the first step. Arterial blood leaves the arm to be pumped through the dialysis machine 3 of 13 State step 2. Dialysis fluid and blood causes diffusion to take place through the semipermeable membrane 4 of 13 State step 3. Waste products removed via diffusion, useful products kept 5 of 13 State step 4. Blood flows through bubble trap, gets rid of bubbles in blood 6 of 13 State step 5. Clean blood returns to a vein 7 of 13 State the concentration of substances in the dialysis fluid? No Urea. Glucose and mineral Ion concentration will be the same as in the patients blood 8 of 13 How will this help the patient? (Urea) Urea from blood will diffuse from high conc. to low removing Urea from Blood 9 of 13 How will this help the patient? (Glucose and Mineral Ions) No useful substances will be lost 10 of 13 What is the main purpose of a Dialysis machine? To remove waste products from blood 11 of 13 If the patients blood contains 20% Urea, what percentage will the Dialysis fluid contain? 0% 12 of 13 If the patients blood contains 50% Glucose, what percentage will the Dialysis fluid contain? 50% 13 of 13
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