Dialysis Therapy Overview

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Questions and Answers

How is blood filtered in hemodialysis?

Inside the body through natural kidney function
By taking oral medications
In a machine outside the body (correct)
Through direct injection into the bloodstream

What is the purpose of creating a vascular access in hemodialysis?

To administer medications
To remove wastes from blood
To prevent blood infection
To allow blood to flow through tiny tubes in a machine (correct)

Why does hemodialysis use semipermeable membranes in the machine?

To remove large molecules from the blood
To allow oxygen to enter the bloodstream
To speed up the blood filtration process
To enable small molecules to pass through (correct)

How often is hemodialysis typically performed in a dialysis center?

<p>3 times a week (D)</p> Signup and view all the answers

Which of the following is a potential complication of hemodialysis?

<p>Blood infection and internal bleeding (B)</p> Signup and view all the answers

Study Notes

Dialysis is a therapy used to remove wastes from the blood of patients with kidney failure.
There are two main types of dialysis: hemodialysis and peritoneal dialysis.
In hemodialysis, blood is filtered outside the body in a machine, using a vascular access created through a minor surgery.
The blood flows through tiny tubes surrounded by dialysate in the machine, allowing small molecules to pass through semipermeable membranes via osmosis and diffusion.
Hemodialysis is typically performed as 4-hour treatments, 3 times a week in a dialysis center, with risks of complications such as blood infection and internal bleeding.

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Description

Explore the basics of dialysis therapy, including the two main types: hemodialysis and peritoneal dialysis. Learn about the process of hemodialysis, where blood is filtered in a machine outside the body, and the associated risks and complications.