Module 8

Question 0

Why must water used for dialysate be treated?
A. Because patients have strict fluid limits and drink only pure water
B. Because patients drink large amounts of water despite their limits
C. Because patients arre exposed to large volumes of water during dialysis
D. Because patients can excrete contaminants in dialysate during dialysis

Answer 0

C. Because patients arre exposed to large volumes of water during dialysis

Question 1

Which of these substances may be added to city drinking water?
A. Bleach
B. Zinc
C. Potassium 
D. Alum

Answer 1

D. Alum

Question 2

What does a water softener do for dialysis water?
A. Removes calcium and magnesium 
B. Removes chlorine and chloramines 
C. Adds calcium and magnesium
D. Kills bacteria

Answer 2

A. Removes calcium and magnesium

Question 3

Which of these is a limitation of a reverse osmosis (RO) system?
A. Removes bacteria but not endotoxin
B. Removes calcium and magnesium
C. Thin film composite membranes break down when exposed to chlorine and chloramines
D. Produces purified water

Answer 3

C. Thin film composite membranes break down when exposed to chlorine and chloramines

Question 4

Which is the most common way that water treatment systems are disinfected?
A. Using heat
B. Using ozone
C. Using chemicals 
D. Using electrolytes

Answer 4

C. Using chemicals

Question 5

What type of patient reactions may occur if dialysis water contains bacteria or endotoxin?
A. Blurred vision 
B. Pyrogenic
C. Bone disease 
D. Double vision

Answer 5

B. Pyrogenic

Question 6

How often should the RO operating parameters be checked?
A. Weekly 
B. Hourly 
C. Monthly 
D. Daily

Answer 6

D. Daily

Question 7

Per AAMI standards, how often should dialysis water be tested for bacteria?
A. Daily
B. Weekly 
C. Monthly 
D. Yearly

Answer 7

C. Monthly

Question 8

Per AAMI standards, the total microbial count of dialysate shall not exceed:
A. 200 CFU/mL 
B. 400 CFU/mL 
C. 800 CFU/mL 
D. 1000 CFU/mL

Answer 8

A. 200 CFU/mL

Question 9

What problem could large amounts of aluminum in dialysis water cause for patients?
A. Fever/chills
B. Liver problems 
C. Bone disease 
D. Diarrhea

Answer 9

C. Bone disease

Question 10

THIN FILM COMPOSITE MEMBRANES BREAKDOWN WHEN EXPOSED TO CHLORINE/CHORAMINES.

Answer 10

REVERSE OSMOSIS (R.O. SYSTEM)

Question 11

REACTION OF DEAD BACTERIAL ENDOTOXINS IN DIALYSATE.

Answer 11

PYROGENIC REACTION

Question 12

THE MAXIMUM LIMIT OF BACTERIA ALLOWED IN PRODUCT WATER.

Answer 12

200 CFU

Question 13

WATER MUST BE EXPOSED TO CARBON TANKS TO REMOVE CHLORINE/ CHLORAMINES

Answer 13

10 MINUTES

Question 14

MOVEMENT OF FLUID FROM AN AREA OF LESSER SOLUTE CONCENTRATION TO AN AREA OF GREATER SOLUTE CONCENTRATION THROUGH THE SEMIPERMEABLE MEMBRANE

Answer 14

OSMOSIS