Davita Exam Study Guide with
Verified Answers 2025
What is maximum recirculation time? - ANSWER-Two hours
Why is the maximum recirculation time two hours? - ANSWER-Don't
want to risk bacterial growth
What is the correct procedure to follow once strike-through of an
external transducer protector has occurred? - ANSWER-1. Remove
system from service
2. Label with date, time, team member and problem
What is the manual conductivity that must match the dialysis delivery
system displayed? - ANSWER-+/- o.4 m/s
What is the acceptable range for proportioned pH range? - ANSWER-6.9-
7.6
When do we do pH and dialysate conductivity testing? - ANSWER-Prior
to treatment and whenever dialysate is changed/replaced
What are the two requirements that must be met prior to initiating
system disinfection? - ANSWER-1. Treatment area is patient free
2. Processes are using dialysis quality water
What must be done to indicate the presence of disinfectant in the
machines during system disinfection? - ANSWER-Notification of the type
of disinfectant displayed on each system
How do we verify the absence of chemical disinfectant following the
system disinfection on the first treatment day? - ANSWER-Team
members perform chemical residue test first
What is an acceptable test result when testing for the absence of
peracitic acid? - ANSWER-Less than or equal to 1 ppm
Name a reason for HIGH arterial pressure. - ANSWER-Clotting
, Infiltrated needle
Decreased blood flow
Poor CVC flow
Misplaced needle
Kink in tubing
Name a reason for LOW arterial pressure. - ANSWER-Arterial
needle/blood line separation
Saline administration
Name a reason for HIGH venous pressure. - ANSWER-Infiltration
Poor needle positioning
Clotting (drip chamber, tubing or needle)
Water policies are enforced by who? - ANSWER-AAMI and CMS
What does AAMI stand for? - ANSWER-Association for the Advancement
of Medical Instrumentation
What is Product Water? - ANSWER-Water that has gone through the
water treatment processes
How often is total chlorine testing done on a daily basis? - ANSWER-Prior
to the first patient treatment
Every 4 hours until all activities requiring dialysis water are completed
How long must the water system be running before drawing total
chlorine samples? - ANSWER-15 minutes
What is the acceptable total chlorine test results? - ANSWER-Less than
or equal to 0.1 ppm
Alcohol-based hand rubs must contain 60 to 90% _____ _______ or
_________ - ANSWER-Ethyl Alcohol
Isopropyl
How long are you supposed to wash your hands? - ANSWER-15 seconds
When is hand hygiene to be performed? - ANSWER-When
entering/leaving the treatment room
Verified Answers 2025
What is maximum recirculation time? - ANSWER-Two hours
Why is the maximum recirculation time two hours? - ANSWER-Don't
want to risk bacterial growth
What is the correct procedure to follow once strike-through of an
external transducer protector has occurred? - ANSWER-1. Remove
system from service
2. Label with date, time, team member and problem
What is the manual conductivity that must match the dialysis delivery
system displayed? - ANSWER-+/- o.4 m/s
What is the acceptable range for proportioned pH range? - ANSWER-6.9-
7.6
When do we do pH and dialysate conductivity testing? - ANSWER-Prior
to treatment and whenever dialysate is changed/replaced
What are the two requirements that must be met prior to initiating
system disinfection? - ANSWER-1. Treatment area is patient free
2. Processes are using dialysis quality water
What must be done to indicate the presence of disinfectant in the
machines during system disinfection? - ANSWER-Notification of the type
of disinfectant displayed on each system
How do we verify the absence of chemical disinfectant following the
system disinfection on the first treatment day? - ANSWER-Team
members perform chemical residue test first
What is an acceptable test result when testing for the absence of
peracitic acid? - ANSWER-Less than or equal to 1 ppm
Name a reason for HIGH arterial pressure. - ANSWER-Clotting
, Infiltrated needle
Decreased blood flow
Poor CVC flow
Misplaced needle
Kink in tubing
Name a reason for LOW arterial pressure. - ANSWER-Arterial
needle/blood line separation
Saline administration
Name a reason for HIGH venous pressure. - ANSWER-Infiltration
Poor needle positioning
Clotting (drip chamber, tubing or needle)
Water policies are enforced by who? - ANSWER-AAMI and CMS
What does AAMI stand for? - ANSWER-Association for the Advancement
of Medical Instrumentation
What is Product Water? - ANSWER-Water that has gone through the
water treatment processes
How often is total chlorine testing done on a daily basis? - ANSWER-Prior
to the first patient treatment
Every 4 hours until all activities requiring dialysis water are completed
How long must the water system be running before drawing total
chlorine samples? - ANSWER-15 minutes
What is the acceptable total chlorine test results? - ANSWER-Less than
or equal to 0.1 ppm
Alcohol-based hand rubs must contain 60 to 90% _____ _______ or
_________ - ANSWER-Ethyl Alcohol
Isopropyl
How long are you supposed to wash your hands? - ANSWER-15 seconds
When is hand hygiene to be performed? - ANSWER-When
entering/leaving the treatment room
