1|Page
Fresenius Virtual Learning PCT New
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How long does the RO have to be running before we perform any water testing? - ✔✔15 minutes
What does IFU stand for? - ✔✔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? - ✔✔2 minutes
What is the frequency for testing the Total Chlorine? - ✔✔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: - ✔✔RPC Ultra-Low Total Chlorine Strips
What does TDS stand for? - ✔✔Total Dissolved Solids
The RPC Ultra-Low Total Chlorine Strips are used to test the functionality of what tanks in the water
room? - ✔✔GAC (Granular Activated Carbon) tanks
Which tanks in the water room are responsible for removing Total Chlorine? - ✔✔GAC tanks (Granular
Activated Carbon tanks)
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
,2|Page
What is the TDS meter used to measure? - ✔✔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? -
✔✔1. conductivity
2. pH
3. temperature
What strips are used to measure water hardness? - ✔✔SteriChek Water Hardness Reagent Strips
What do the SteriChek Water Hardness Reagent Strips measure for? - ✔✔water hardness
SteriChek Water Hardness Reagent Strips measure water hardness. What two minerals do these strips
specifically measure that are responsible for hard water? - ✔✔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? - ✔✔sodium (Na+)
How often is water hardness tested? - ✔✔2 times a day
When is water hardness (caused by calcium and magnesium) tested? - ✔✔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? - ✔✔< 20 ppm (parts per million)
What test strips are used to measure residual chlorine? - ✔✔Water Check RC Strips
When do we use the Water Check RC Strips during the week? - ✔✔after bleach day and before the first
patient is put on
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
, 3|Page
If you find a vile of test strips that are not dated, can we use them for testing purposes? - ✔✔no
What is the minimum number for GAC (carbon tanks) your clinic can have? - ✔✔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. - ✔✔worker, polisher
The worker tank is also called the _______ tank. - ✔✔primary
The polisher tank is also called the _______ tank. - ✔✔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? - ✔✔worker tank (primary tank)
***We are checking the functionality of the worker tank
How many employees have to watch the sample for the Total Chlorine test be obtained? - ✔✔2 (opener
plus a second employee)
***One employee MUST be a RN
Two employees (the opener plus a second employee) must be present when the sample for the Total
Chlorine test is obtained. How many employees total must be present when the test strip is gently moved
back and forth in the sample cup? - ✔✔2
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
Fresenius Virtual Learning PCT New
Hire Exam Review Questions and
Answers 100% Pass
How long does the RO have to be running before we perform any water testing? - ✔✔15 minutes
What does IFU stand for? - ✔✔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? - ✔✔2 minutes
What is the frequency for testing the Total Chlorine? - ✔✔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: - ✔✔RPC Ultra-Low Total Chlorine Strips
What does TDS stand for? - ✔✔Total Dissolved Solids
The RPC Ultra-Low Total Chlorine Strips are used to test the functionality of what tanks in the water
room? - ✔✔GAC (Granular Activated Carbon) tanks
Which tanks in the water room are responsible for removing Total Chlorine? - ✔✔GAC tanks (Granular
Activated Carbon tanks)
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
,2|Page
What is the TDS meter used to measure? - ✔✔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? -
✔✔1. conductivity
2. pH
3. temperature
What strips are used to measure water hardness? - ✔✔SteriChek Water Hardness Reagent Strips
What do the SteriChek Water Hardness Reagent Strips measure for? - ✔✔water hardness
SteriChek Water Hardness Reagent Strips measure water hardness. What two minerals do these strips
specifically measure that are responsible for hard water? - ✔✔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? - ✔✔sodium (Na+)
How often is water hardness tested? - ✔✔2 times a day
When is water hardness (caused by calcium and magnesium) tested? - ✔✔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? - ✔✔< 20 ppm (parts per million)
What test strips are used to measure residual chlorine? - ✔✔Water Check RC Strips
When do we use the Water Check RC Strips during the week? - ✔✔after bleach day and before the first
patient is put on
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
, 3|Page
If you find a vile of test strips that are not dated, can we use them for testing purposes? - ✔✔no
What is the minimum number for GAC (carbon tanks) your clinic can have? - ✔✔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. - ✔✔worker, polisher
The worker tank is also called the _______ tank. - ✔✔primary
The polisher tank is also called the _______ tank. - ✔✔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? - ✔✔worker tank (primary tank)
***We are checking the functionality of the worker tank
How many employees have to watch the sample for the Total Chlorine test be obtained? - ✔✔2 (opener
plus a second employee)
***One employee MUST be a RN
Two employees (the opener plus a second employee) must be present when the sample for the Total
Chlorine test is obtained. How many employees total must be present when the test strip is gently moved
back and forth in the sample cup? - ✔✔2
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
