FRESENIUS VIRTUAL LEARNING PCT NEW HIRE
EXAM REVIEW/ NEWEST 2025 WITH QUESTIONS AND
CORRECT VERIFIED ANSWERS/ WELL GRADED
A+//LATEST VERSION!
Hyperkalemia is defined as a high level of _______. - CORRECT ANSWERS -
potassium
Hyperkalemia is a condition of higher a than normal level of potassium in the blood.
What effect does hyperkalemia have on your heart? - CORRECT ANSWERS -
Hyperkalemia can cause the heart to slow down and stop beating, and the patient can
go into cardiac arrest.
Chlorine and chloramines are used in the municipal water system to eliminate
________. - CORRECT ANSWERS -bacterial growth
Chloramine is a combination of ________ and ________. - CORRECT ANSWERS -
chlorine and ammonia
What are the signs of hemolysis? - CORRECT ANSWERS -- ***low blood pressure
- short of breath
- chest pain
- anxiety
- tachycardia
- cherry colored blood
Total chlorine can easily cross the dialyzer membrane causing ________. - CORRECT
ANSWERS -hemolysis and possible patient death
After the first Total Chlorine test, how often is the central RO system routinely tested? -
CORRECT ANSWERS -not to exceed 4 hours
Chlorine Breakthrough is defined as a test result of what? - CORRECT ANSWERS -
0.10 ppm or higher
What does EBCT stand for? - CORRECT ANSWERS -Empty Bed Contact Time
Define EBCT (Empty Bed Contact Time) - CORRECT ANSWERS -The length of time
water is exposed to carbon.
What is Fresenius' time standard for EBCT? - CORRECT ANSWERS -A minimum of 12
minutes total time (6 minutes per tank, or bank of tanks)
,What is the AAMI time standard for EBCT? - CORRECT ANSWERS -A minimum of 10
minutes total time (5 minutes per tank, or bank of tanks)
You must confirm the mixing ratio on Bicarb and Dry Acid Solution containers.
True or False? - CORRECT ANSWERS -true
How long does the RO have to be running before we perform any water testing? -
CORRECT ANSWERS -15 minutes
What does IFU stand for? - CORRECT ANSWERS -instructions for use
***Instructions written by the manufacturer that are approved by the FDA.
How long does the sample valve need to be flushed after the RO has been running for
15 minutes before a sample is collected? - CORRECT ANSWERS -2 minutes
What is the frequency for testing the Total Chlorine? - CORRECT ANSWERS -Before
the first patient of the day is put on AND every 4 hours after that.
Name the test trip used to test Total Chlorine: - CORRECT ANSWERS -RPC Ultra-Low
Total Chlorine Strips
What does TDS stand for? - CORRECT ANSWERS -Total Dissolved Solids
The RPC Ultra-Low Total Chlorine Strips are used to test the functionality of what tanks
in the water room? - CORRECT ANSWERS -GAC (Granular Activated Carbon) tanks
Which tanks in the water room are responsible for removing Total Chlorine? -
CORRECT ANSWERS -GAC tanks (Granular Activated Carbon tanks)
What is the TDS meter used to measure? - CORRECT ANSWERS -The TDS meter
measures the functionality of the RO and how well it is removing those particles we do
not want to expose the patient to during treatment.
What 3 things does the pHoenix Meter, pHoenix XL Meter and Myron L-D6 Meter test
dialysate for? - CORRECT ANSWERS -1. conductivity
2. pH
3. temperature
What strips are used to measure water hardness? - CORRECT ANSWERS -SteriChek
Water Hardness Reagent Strips
What do the SteriChek Water Hardness Reagent Strips measure for? - CORRECT
ANSWERS -water hardness
, SteriChek Water Hardness Reagent Strips measure water hardness. What two minerals
do these strips specifically measure that are responsible for hard water? - CORRECT
ANSWERS -calcium and magnesium
The water system uses a water softener to remove calcium and magnesium. When
calcium and magnesium are removed, what is added to the water in their place? -
CORRECT ANSWERS -sodium (Na+)
How often is water hardness tested? - CORRECT ANSWERS -2 times a day
When is water hardness (caused by calcium and magnesium) tested? - CORRECT
ANSWERS -Before the first patient and at the end of the day
When the water is tested for water hardness (caused by calcium and magnesium)
before the first patient is put on AND at the end of the day (twice daily), what is the
acceptable amount of these minerals found with the SteriChek Water Hardness
Reagent Strips? - CORRECT ANSWERS -< 20 ppm (parts per million)
What test strips are used to measure residual chlorine? - CORRECT ANSWERS -Water
Check RC Strips
When do we use the Water Check RC Strips during the week? - CORRECT ANSWERS
-after bleach day and before the first patient is put on
If you find a vile of test strips that are not dated, can we use them for testing purposes?
- CORRECT ANSWERS -no
What is the minimum number for GAC (carbon tanks) your clinic can have? -
CORRECT ANSWERS -2
***Your clinic may have 4 GAC tanks
In a clinic with 2 GAC tanks, the first tank is called the ______ tank, and the second
tank is called the ______ tank. - CORRECT ANSWERS -worker, polisher
The worker tank is also called the _______ tank. - CORRECT ANSWERS -primary
The polisher tank is also called the _______ tank. - CORRECT ANSWERS -secondary
When the opener at your clinic runs the RO for 15 minutes then waits the required 2
minutes for the sample valve to run before collecting a sample, after which GAC tank is
the valve located for testing Total Chlorine? - CORRECT ANSWERS -worker tank
(primary tank)
***We are checking the functionality of the worker tank
EXAM REVIEW/ NEWEST 2025 WITH QUESTIONS AND
CORRECT VERIFIED ANSWERS/ WELL GRADED
A+//LATEST VERSION!
Hyperkalemia is defined as a high level of _______. - CORRECT ANSWERS -
potassium
Hyperkalemia is a condition of higher a than normal level of potassium in the blood.
What effect does hyperkalemia have on your heart? - CORRECT ANSWERS -
Hyperkalemia can cause the heart to slow down and stop beating, and the patient can
go into cardiac arrest.
Chlorine and chloramines are used in the municipal water system to eliminate
________. - CORRECT ANSWERS -bacterial growth
Chloramine is a combination of ________ and ________. - CORRECT ANSWERS -
chlorine and ammonia
What are the signs of hemolysis? - CORRECT ANSWERS -- ***low blood pressure
- short of breath
- chest pain
- anxiety
- tachycardia
- cherry colored blood
Total chlorine can easily cross the dialyzer membrane causing ________. - CORRECT
ANSWERS -hemolysis and possible patient death
After the first Total Chlorine test, how often is the central RO system routinely tested? -
CORRECT ANSWERS -not to exceed 4 hours
Chlorine Breakthrough is defined as a test result of what? - CORRECT ANSWERS -
0.10 ppm or higher
What does EBCT stand for? - CORRECT ANSWERS -Empty Bed Contact Time
Define EBCT (Empty Bed Contact Time) - CORRECT ANSWERS -The length of time
water is exposed to carbon.
What is Fresenius' time standard for EBCT? - CORRECT ANSWERS -A minimum of 12
minutes total time (6 minutes per tank, or bank of tanks)
,What is the AAMI time standard for EBCT? - CORRECT ANSWERS -A minimum of 10
minutes total time (5 minutes per tank, or bank of tanks)
You must confirm the mixing ratio on Bicarb and Dry Acid Solution containers.
True or False? - CORRECT ANSWERS -true
How long does the RO have to be running before we perform any water testing? -
CORRECT ANSWERS -15 minutes
What does IFU stand for? - CORRECT ANSWERS -instructions for use
***Instructions written by the manufacturer that are approved by the FDA.
How long does the sample valve need to be flushed after the RO has been running for
15 minutes before a sample is collected? - CORRECT ANSWERS -2 minutes
What is the frequency for testing the Total Chlorine? - CORRECT ANSWERS -Before
the first patient of the day is put on AND every 4 hours after that.
Name the test trip used to test Total Chlorine: - CORRECT ANSWERS -RPC Ultra-Low
Total Chlorine Strips
What does TDS stand for? - CORRECT ANSWERS -Total Dissolved Solids
The RPC Ultra-Low Total Chlorine Strips are used to test the functionality of what tanks
in the water room? - CORRECT ANSWERS -GAC (Granular Activated Carbon) tanks
Which tanks in the water room are responsible for removing Total Chlorine? -
CORRECT ANSWERS -GAC tanks (Granular Activated Carbon tanks)
What is the TDS meter used to measure? - CORRECT ANSWERS -The TDS meter
measures the functionality of the RO and how well it is removing those particles we do
not want to expose the patient to during treatment.
What 3 things does the pHoenix Meter, pHoenix XL Meter and Myron L-D6 Meter test
dialysate for? - CORRECT ANSWERS -1. conductivity
2. pH
3. temperature
What strips are used to measure water hardness? - CORRECT ANSWERS -SteriChek
Water Hardness Reagent Strips
What do the SteriChek Water Hardness Reagent Strips measure for? - CORRECT
ANSWERS -water hardness
, SteriChek Water Hardness Reagent Strips measure water hardness. What two minerals
do these strips specifically measure that are responsible for hard water? - CORRECT
ANSWERS -calcium and magnesium
The water system uses a water softener to remove calcium and magnesium. When
calcium and magnesium are removed, what is added to the water in their place? -
CORRECT ANSWERS -sodium (Na+)
How often is water hardness tested? - CORRECT ANSWERS -2 times a day
When is water hardness (caused by calcium and magnesium) tested? - CORRECT
ANSWERS -Before the first patient and at the end of the day
When the water is tested for water hardness (caused by calcium and magnesium)
before the first patient is put on AND at the end of the day (twice daily), what is the
acceptable amount of these minerals found with the SteriChek Water Hardness
Reagent Strips? - CORRECT ANSWERS -< 20 ppm (parts per million)
What test strips are used to measure residual chlorine? - CORRECT ANSWERS -Water
Check RC Strips
When do we use the Water Check RC Strips during the week? - CORRECT ANSWERS
-after bleach day and before the first patient is put on
If you find a vile of test strips that are not dated, can we use them for testing purposes?
- CORRECT ANSWERS -no
What is the minimum number for GAC (carbon tanks) your clinic can have? -
CORRECT ANSWERS -2
***Your clinic may have 4 GAC tanks
In a clinic with 2 GAC tanks, the first tank is called the ______ tank, and the second
tank is called the ______ tank. - CORRECT ANSWERS -worker, polisher
The worker tank is also called the _______ tank. - CORRECT ANSWERS -primary
The polisher tank is also called the _______ tank. - CORRECT ANSWERS -secondary
When the opener at your clinic runs the RO for 15 minutes then waits the required 2
minutes for the sample valve to run before collecting a sample, after which GAC tank is
the valve located for testing Total Chlorine? - CORRECT ANSWERS -worker tank
(primary tank)
***We are checking the functionality of the worker tank
