Free CCHT Technical and Environment Test 3

Question 1

What determines the surface area of a hollow fiber dialyzer?

Accepted Answer

All of the above

Answer

Number of fibers

Answer

Internal diameter of fibers

Answer

Length of fibers

Question 2

The purpose of using counter-current flow is to:

Accepted Answer

increase the rate of waste removal

Answer

increase the rate of fluid removal

Answer

decrease the amount of dialysate used

Answer

decrease the surface area of the membrane

Question 3

Chloramine exposure in dialysis can result in:

Accepted Answer

hemolysis

Answer

hypernatremia

Answer

pericarditis

Answer

bleeding

Question 4

Part of the reuse process involves the reuse machine testing the dialyzer to verify:

Accepted Answer

the dialyzer fibers are free of leaks

Answer

the dialyzer is free of bacteria

Answer

the dialyzer is free of endotoxins

Question 5

According to AAMI RD52, what is the maximum allowable level of bacteria in dialysate?

Accepted Answer

200 CFU's

Answer

1,000 CFU's

Answer

50 CFU's

Answer

500 CFU's

Question 6

According to AAMI RD52, how often should bacterial cultures be sampled?

Accepted Answer

Monthly

Answer

Weekly

Answer

Quarterly

Answer

Annually

Question 7

Bacterial exposure to water may cause which of the following symptoms?

Accepted Answer

Fever/Chills

Answer

Hemolysis

Answer

Bone disease

Answer

Hypotension

Question 8

Who developed the first permanent blood access, the "Shunt"?

Accepted Answer

Scribner and Quinton

Answer

Kolff

Answer

Brescia and Cimino

Answer

Turner

Question 9

Venous pressure meters are calibrated in:

Accepted Answer

mm/Hg

Answer

PSI

Answer

mL/hour

Answer

mg%

Question 10

The hemodialysis machine continuously monitors many parameters. Which of these parameters must be verified by an external measuring device?

Accepted Answer

pH and conductivity

Answer

Blood flow

Answer

Dialysate flow

Answer

Temperature and transmembrane pressure