Answer the following problems in around 100 Words.

problem 1: Illustrate the techniques of cannulation of techniques with their relative merits and demerits.

problem 2: What is a wearable kidney?

problem 3: Describe heparin associated complications throughout dialysis?

problem 4: Enumerate the different buffers used in the dialysate? Describe the preparation of bicarbonate based dialysis fluid.

problem 5: State the factors finding out the biocompatibility of hemodialysis membrane.

problem 6: A 55 year old male with the diabetic ESRD patient on regular maintenance dialysis suddenly collapses throughout dialysis. What are the instant measures you require to take?  Subsequently on examination you find out that he looks very pale. The hematocrit measurement done bedside is only 20 percent. What are the possible causes and how will you manage?