12 Questions
What is the function of the dialyzer in hemodialysis?
Circulate blood through a synthetic semipermeable membrane
In hemodialysis, how are toxins and wastes primarily removed from the blood?
Diffusion
What is the purpose of osmosis in hemodialysis?
To remove excess fluid from the blood
What is the preferred method of permanent vascular access for dialysis?
Creating an arteriovenous fistula surgically
Why is heparin given during dialysis?
To keep blood from clotting in the dialysis circuit
Which vein is rarely used for vascular access in hemodialysis due to an increased risk of central stenosis?
Subclavian vein
How is immediate access for acute hemodialysis typically achieved?
By inserting a double-lumen catheter into the subclavian vein
What are some risks associated with the method of vascular access involving catheters?
Hematoma, pneumothorax, infection, vein thrombosis
In PD, which membrane serves as the semipermeable membrane for the clearance of uremic toxins?
Peritoneal membrane
What does the movement of solute from the blood into the dialysate fluid through the peritoneal membrane in peritoneal dialysis represent?
Diffusion
What is the primary function of the cuffs made of Dacron polyester in most adult catheters used in dialysis?
Limit the movement of the catheter
What type of medications are typically not well dialyzed out during hemodialysis?
Fat soluble medications
Learn about the efficient process of fluid removal in dialysis using negative pressure, the necessity of dialysis for patients with ESKD, and the use of anticoagulant heparin in the dialysis circuit. Understand the importance of establishing vascular access for blood cleansing.
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