Free CHBT Biomedical Technology and Dialysis Water Treatment Questions and Answers

Question 1

The main difference between an arteriovenous shunt (AVS) and an arteriovenous fistula (AVF) is an:

Accepted Answer

AVF is entirely within the arm.

Answer

AVS is entirely within the arm.

Answer

AVF is more likely to become clotted or infected.

Answer

AVF requires an external tube.

Question 2

Which of the following dialyzers is used currently?

Accepted Answer

Hollow tube

Answer

Kiil

Answer

Flat plate

Answer

Coil

Question 3

Which of the following kidney structures connects with and delivers urine directly to the ureter?

Accepted Answer

Pelvis

Answer

Calyx

Answer

Glomerulus

Answer

Cortex

Question 4

All of the following substances are produced by the kidney EXCEPT:

Accepted Answer

aldosterone.

Answer

renin.

Answer

erythropoietin.

Answer

calcitriol.

Question 5

Which site in the hemodialysis pathway has the highest positive pressure?

Accepted Answer

Blood entering the dialyzer fibers

Answer

Arterial blood in the afferent tubing

Answer

Blood leaving the dialyzer fibers

Answer

Blood in the venous return

Question 6

The term "sieving coefficient of a membrane" refers to the:

Accepted Answer

fraction of solute that passes through the membrane by convection.

Answer

amount of water required for solute drag through the membrane.

Answer

concentration of pores in the membrane.

Answer

size of the pores in the membrane.

Question 7

The ultrafiltration coefficient of a dialyzer refers to the:

Accepted Answer

fluid that passes through the membrane in 1 hour.

Answer

pressure in the blood compartment needed to force fluid through the membrane.

Answer

pressure difference across the membrane.

Answer

fluid that passes through the membrane in 1 minute.