Kidney Dialysis Process Quiz

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What is the primary purpose of the dialysis membrane in a kidney dialysis machine?

To filter out large blood cells

To maintain the temperature of the dialysis fluid

To assist in pumping the blood through the system

To separate blood from dialysis fluid while allowing specific substances to pass (correct)

Why is a roller pump including in the kidney dialysis machine?

To move blood through the dialysis system (correct)

To keep the blood at a constant temperature during dialysis

To monitor the concentration of electrolytes in the blood

To filter the dialysis fluid before it enters the membrane

What is the risk associated with air bubbles entering a patient's blood during dialysis?

They can alter the chemical composition of the blood

They can lead to blockages or damage to blood vessels (correct)

They can enhance blood filtration efficiency

They can cause blood clotting in small vessels

What must the composition of the dialysis fluid resemble, and why?

It must mimic blood plasma without harmful wastes to maintain electrolyte balance Signup and view all the answers

Why is it beneficial to pass blood through many small channels in a dialyser?

It enhances filtration and exchange by maximizing surface area Signup and view all the answers

What role does heparin play in the kidney dialysis process?

It prevents blood clotting during the procedure Signup and view all the answers

What is the purpose of the bubble trap in a kidney dialysis machine?

To prevent air bubbles from entering the patient's blood Signup and view all the answers

What is maintained to ensure the efficacy of the dialysis process?

The temperature of the dialysis fluid is optimal Signup and view all the answers

What is the main purpose of dialysis for patients with kidney failure?

To filter waste products from the blood while waiting for a transplant Signup and view all the answers

What characterizes the dialysis fluid used in the dialysis machine?

It is similar in composition to normal blood Signup and view all the answers

Why is a selective permeable membrane necessary in dialysis?

To filter out waste while retaining useful substances Signup and view all the answers

What is the primary reason glucose does not leave the blood during dialysis?

There is no concentration gradient for glucose Signup and view all the answers

How does dialysis limit patients' activities?

Dialysis is performed multiple times per week Signup and view all the answers

What is the function of the bubble trap in a dialysis machine?

To prevent bubbles from entering the blood circulation Signup and view all the answers

What limitation is faced by patients awaiting a kidney transplant?

There are insufficient available kidneys for all patients Signup and view all the answers

What determines the rate of diffusion of urea from blood into dialysis fluid?

The concentration gradient between blood and dialysis fluid Signup and view all the answers

Why may dialysis be considered an unpleasant treatment?

It takes several hours and is done multiple times a week Signup and view all the answers

What is critical for the efficiency of the dialysis process?

Having a larger surface area for waste removal Signup and view all the answers

Kidney Dialysis Process Quiz

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