Davita PCT Final Exam Study Guide 2024 Latest Update
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Course
Davita pct
Institution
Davita Pct
acceptable result for residual bleach - ANSWER < 0.5 ppm
Acceptable result for chlorine/chloramine testing - ANSWER < or equal to 0.1 mg/L
acceptable hardness test result - ANSWER < 1 grain/gallon
final dialysate conductivity - ANSWER 13-15.5 mS
Davita PCT Final Exam Study Guide
2024 Latest Update
acceptable result for residual bleach - ANSWER < 0.5 ppm
Acceptable result for chlorine/chloramine testing - ANSWER < or equal to 0.1 mg/L
acceptable hardness test result - ANSWER < 1 grain/gallon
final dialysate conductivity - ANSWER 13-15.5 mS
final dialysis pH - ANSWER 6.9-7.6
if dialysis conductivity is too low - ANSWER hemolysis, bursting of blood cells,
cranberry red blood
if dialysate conductivity is too high - ANSWER crenation, shriveling of blood cells, dark
red blood
alcohol-based hand rubs must contain ___________ - ANSWER 60-90% ethyl alcohol,
isopropyl alcohol, or both
when washing hands you should lather and wash vigorously for at least _________ -
ANSWER 20 seconds
PPE includes - ANSWER gowns, face shields, masks, gloves
environmental surfaces are cleaned with ___________ bleach solution - ANSWER
1:100
visible blood or gross blood spills are cleaned with ________ bleach solution -
ANSWER 1:10; and soaked with a new disposable towel in 1:10 bleach solution and
cleaned a second time
teammates who care for confirmed or suspected HBsAg positive patients will only be
assigned to care for surface _______________ patients - ANSWER antigen positive
diffusion - ANSWER movement of dissolved particles across a semipermeable
membrane from higher concentration to lower concentration
ultrafiltration - ANSWER removes water from the blood by pushing it across the
semipermeable membrane, from the blood side within the dialyzer's hollow fibers to the
dialysate side
, convection - ANSWER when solutes move with the water across the semipermeable
membrane
osmosis - ANSWER movement of water across a semipermeable membrane from the
side with the lower solute concentration to higher solute concentration
the maximum recirculation time after a machine has been set up prior to recirculation
initiation cannot exceed _________ - ANSWER 2 hours; longer time can lead to
bacterial proliferation
what is the correct procedure if strikethrough of the external transducer protector has
occurred? - ANSWER change transducer, flush lines back, send to biomed to be
disinfected
the manual conductivity must match the dialysis delivery system displayed conductivity
__________ - ANSWER +/- 0.4 mS
when are dialysate conductivity and pH testing required to be performed? - ANSWER
before each patient treatment (after testing, before recirculation)
if bleach and peracetic acid are mixed, a chemical reaction occurs, producing
__________ - ANSWER toxic chlorine gas
what two requirements must be met prior to initiating system disinfection? - ANSWER
treatment area must be free of patients and free of dialysis processes
acceptable result for absence of peracetic acid - ANSWER < or equal to 1 ppm
blending valve - ANSWER mixes hot and cold water to allow RO to function at most
efficient temperature (77 degrees F)
backflow preventer - ANSWER prevents pre-treated water and disinfectants from
backing up into the city water supply
booster pump - ANSWER increases incoming water flow and pressure, maintains water
pressure needed for components operation
multimedia or depth filter - ANSWER filters out suspended particles like silt and sand in
the water and traps solutes and other substances
water softener - ANSWER softens hard water by removing calcium and magnesium
from incoming water, works together with the brine tank to prevent hard mineral
deposits from damaging RO membranes
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