Hemodialysis Water Treatment Final Study Guide

Topics: Hemodialysis, Water, Water purification Pages: 6 (1022 words) Published: March 17, 2013
Water Treatment Mid-Term

1) Total Cell Volume (TCV) is an indirect measure of the:
a. Blood Leak
b. Contamination of the dialyzer
c. Performance of the dialyzer
d. Residual chemicals

2) The organization that sets the standards for dialysis water quality is called:

3) Total chlorine levels in the water are tested:
a. at the end of the day
b. at the beginning and the end of the day
c. before each patients shift or every four hours
d. before the first patient shift

4) Name the two compartments of the dialyzer: blood compartment and dialysate compartment

5) The minimum dwell time to achieve sterilization with the chemical Renalin is:
a. 8 hours
b. 11 hours
c. 14 hours
d. 24 hours

6) The hemodialysis machine continuously monitors many parameters. Which of these parameters must be verified by an external measuring device?
a. Blood flow
b. Dialysate flow
c. pH and conductivity
d. Temperature and Transmembrane pressure

7) Dialysate pH should be:
a. Between 5.0 and 5.4
b. Between 6.0 and 6.4
c. Between 7.0 and 7.4
d. Between 8.0 and 8.4

8) Germicide rebound occurs due to:
a. Germicide bound to the casing
b. Inadequate dialyzer priming
c. Leaching from the potting compound
d. Residual from the O ring

9) The immediate action for a cracked dialyzer header or a dialyzer blood leak is:
a. Return blood, set-up new dialyzer and lines, reinitiate dialysis.
b. Do not return blood, set-up new dialyzer and lines, reinitiate dialysis.

10) The part of the cell wall of bacteria that, when released, can cause fever in hemodialysis is:
a. Endotoxin
b. Nucleus
c. Red blood cell
d. Transferrin

11) Dialysate is sterile.TRUE or FALSE

12) The rationale for disinfecting the internal dialysis delivery system is:
a. maintain proper conductivity
b. prevent blood borne infection
c. prevent bacterial contamination

13) The water softener:
a. is monitored at least once a week
b. is monitored by checking the water pH
c. operates on the principle of ion exchange
d. removes bacteia

14) The reprocessed dialyzer is carefully rinsed prior to patient use to remove:
a. bacteria
b. complement deposits
c. residual blood
d. residual sterilant

15) Patient exposure to chloramines during the hemodialysis treatment may cause:
a. bleeding
b. hemolysis
c. hyponatremia
d. pyrogenic reaction

16) Which of the following is considered to be safe water for dialysis:
a. city water
b. dialysis quality water
c. tap water
d. well water

17) Which organization set the standards and recommendation for dialyzer reprocessing:
b. CDC
c. CMS
d. FDA

18) The water softener removes:
a. bicarbonate precipitate
b. calcium and magnesium
c. chlorine and chloramines
d. iron and other heavy metals

19) The purpose of using counter-current flow is to:
a. decrease the amount of dialysate used
b. decrease the surface area of the membrane
c. increase the rate of fluid removal
d. increase the rate of waste removal

20) The total pressure that exists across the dialyzer membrane is called: a. hydrostatic pressure
b. oncotic pressure
c. osmotic pressure
d. transmembrane pressure

21) AAMI standards for the total microbial count of dialysate shall not exceed:
a. 200CFU/ml
b. 400CFU/ml
c. 800CFU/ml
d. 1000CFU/ml

22) Name two hazardous chemicals used in the dialysis clinic: Renalin and Bleach

23) Which potassium content would dialyze off the most potassium:
a. K-1
b. K-2
c. K-3
d. K-4

24) Where would you find information about hazardous materials in your clinic: Material Data Safety Sheets – MSDS Manual

25) Dialysate is chemically similar to blood, list four components of dialysate: Sodium, Potassium, Calcium, Magnesium, Acetate, Chloride and Dextrose.

26) TRUE or FALSE? Patients have the right to refuse...
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