Normal Kidney Function vs. Hemodialysis

Question 1

When fluid is pushed through a semi-permeable membrane it’s called?

Answer 1

Ultrafiltration

Question 2

“Solute Drag”, when solutes move with H2O across a semi-permeable membrane it’s called?

Answer 2

Convection

Question 3

What is the movement of dissolved particles from an area of high concentration to an area of Lowe concentration called?

Answer 3

Diffusion

Question 4

The movement of H2O from an area of low solute concentration to an area of high solute concentration is called?

Answer 4

Osmosis

Question 5

List the 4 Excretory functions of the Kidneys

Answer 5

1. Removal of waste products
2. Fluid Balance
3. Acid & Base Balance
4. Electrolyte balance

Question 6

Endocrine functions of the Kidneys?

Answer 6

BP balance
Activation of Vitamin D & serum calcium regulation
Erythropoiesis

Question 7

What is the function of the acid concentrate?

Answer 7

To balance electrolytes in the blood

Question 8

What is the function of the Bicarbonate in the dialysis solution?

Answer 8

To act as a Buffer

Question 9

What is the function of the Bicarbonate when it diffuses into the patients blood?

Answer 9

Decreases metabolic acidosis

Question 10

How do we replace excretory kidney functions during dialysis?

Answer 10

Dialysate - Removes urea, creatinine, K+, PO4, some glucose, it filters out toxins through filtration, UF and Diffusion

Question 11

How do we replace endocrine kidney functions during dialysis?

Answer 11

IV Meds (Epogen, Vit. D, Calcitriol, anti-HTN's)
Educate patient on diet modification