Why is water treatment necessary for dialysis? Correct Answer: -Patient safety
*very large exposure volume
*little or no renal excretion
*dialyzer membrane is sole barrier
-Prevent equipment damage
How much water does the average person drink per week? Correct Answer: 10-14L
What is the...
Water CCHT QUESTIONS AND ANSWERS GRADED A
Why is water treatment necessary for dialysis? Correct Answer: -Patient safety
*very large exposure volume
*little or no renal excretion
*dialyzer membrane is sole barrier
-Prevent equipment damage
How much water does the average person drink per week? Correct Answer: 10-14L
What is the average amount of water a dialysis patient is exposed to per week? Correct Answer:
360L
Water contaminants aluminum, chloramines, copper, and zinc can cause what symptom? Correct
Answer: Anemia
Water contaminants aluminum and fluoride can cause what symptom? Correct Answer: Bone
Disease
Water contaminants chloramines, copper, and nitrates can cause what symptom? Correct
Answer: Hypertension
Water contaminants calcium and sodium can cause what symptom? Correct Answer:
Hypotension
Water contaminants sulfates and low pH can cause what symptom? Correct Answer: Metabolic
Acidosis
Water contaminants bacteria, calcium, copper, endotoxin, low pH, magnesium, nitrates, sulfates,
and zinc can cause what symptom Correct Answer: Muscle weakness
Water contaminant aluminum can cause what symptom? Correct Answer: Nausea and Vomiting
Who sets the recommended standards for water used in the hemodialysis procedure? Correct
Answer: -International Organization of Standardization(ISO)
-Association for the Advancement of Medical Instrumentation(AAMI)
What is the acceptable level of water/dialysate culture parameters? Correct Answer: 50 cfu/ml
What is the action level for water/dialysate culture parameters? Correct Answer: 50-99 cfg/ml
What is the unacceptable level for water/dialysate culture parameters? Correct Answer: 100
cfg/ml
What is the acceptable water endotoxin parameter level? Correct Answer: Below 0.12 EU/ml
, What is the action level for water endotoxin parameter? Correct Answer: 0.12 EU/ml to less
than 0.25 EU/ml
What is an unacceptable level for water endotoxin parameter? Correct Answer: 0.25 EU/ml or
greater
What is an acceptable level for dialysate endotoxin parameters? Correct Answer: Below 0.25
EU/ml
What is the action level for dialysate endotoxin parameters? Correct Answer: 0.25 EU/ml to less
than 0.50 EU/ml
What is the unacceptable level of dialysate endotoxin parameters? Correct Answer: 0.50 EU/ml
or greater
What are the water treatment processes? Correct Answer: 1. Pre-Tx
-before the RO
2. Purification
-removes chemical and bacterial contaminants
3. Distribution Loop
What does the back flow preventer do? Correct Answer: Prevents water from flowing back into
city water
Water Softener Correct Answer: -Primarily for RO protection
-Removes "hardness ions" (calcium and magnesium)
-Regenerate with pellet salt
Primary & Secondary Carbon Tanks/Filters are... Correct Answer: -Responsible for the removal
of chlorine and chloramines from city water
Delta pressure must not exceed... Correct Answer: 15psi
Carbon Filter Monitoring Correct Answer: -Test before first treatment of the day
**Test every 4 hours after
How long must the RO run before testing? Correct Answer: 15 minutes
What are acceptable results for total chlorine? Correct Answer: 0.1mg/L or less
What should you do if total chlorine levels are too high after primary carbon tank? Correct
Answer: Repeat, check after second tank
If post secondary carbon tank is within range, how often do we monitor? Correct Answer: Every
30 minutes and document
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
