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Davita PCT Final Exam Questions And Answers Study Guide 2025
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acceptable result for residual bleach - correct answer ✅< 0.5 ppm Acceptable result for chlorine/chloramine testing - correct answer ✅< or equal to 0.1 mg/L acceptable hardness test result - correct answer ✅< 1 grain/gallon final dialysate conductivity - correct answer ✅13-15.5 mS final dialysis pH - correct answer ✅6.9-7. if dialysis conductivity is too low - correct answer ✅hemolysis, bursting of blood cells, cranberry red blood
if dialysate conductivity is too high - correct answer ✅crenation, shriveling of blood cells, dark red blood alcohol-based hand rubs must contain ___________ - correct answer ✅60-90% ethyl alcohol, isopropyl alcohol, or both when washing hands you should lather and wash vigorously for at least _________ - correct answer ✅20 seconds PPE includes - correct answer ✅gowns, face shields, masks, gloves environmental surfaces are cleaned with ___________ bleach solution - correct answer ✅1: visible blood or gross blood spills are cleaned with ________ bleach solution - correct answer ✅1:10; and soaked with a new disposable towel in 1:10 bleach solution and cleaned a second time
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 _________ - correct answer ✅2 hours; longer time can lead to bacterial proliferation what is the correct procedure if strikethrough of the external transducer protector has occurred? - correct answer ✅change transducer, flush lines back, send to biomed to be disinfected the manual conductivity must match the dialysis delivery system displayed conductivity __________ - correct answer ✅+/- 0.4 mS when are dialysate conductivity and pH testing required to be performed? - correct answer ✅before each patient treatment (after testing, before recirculation)
if bleach and peracetic acid are mixed, a chemical reaction occurs, producing __________ - correct answer ✅toxic chlorine gas what two requirements must be met prior to initiating system disinfection? - correct answer ✅treatment area must be free of patients and free of dialysis processes acceptable result for absence of peracetic acid - correct answer ✅< or equal to 1 ppm transmembrane pressure (TMP) equals __________ - correct answer ✅venous pressure - dialysate pressure blending valve - correct answer ✅mixes hot and cold water to allow RO to function at most efficient temperature (77 degrees F)
RO pre-filter - correct answer ✅removes fine carbon particles, resin beads and other debris; placed just before the RO unit RO unit - correct answer ✅consists of a pump, semi-permeable membranes, and quality monitors; removes bacteria, viruses, endotoxin, salts, and other toxins via reverse osmosis, 90-99% of substances are rejected from the water ultrafilter - correct answer ✅placed at the end of the water treatment system prior to the first point of use and is capable of removing viruses, bacteria, and most endotoxins total chlorine testing is done on a daily basis prior to first patient treatment and every __________ until all activities are completed - correct answer ✅4 hours total chlorine samples are to be drawn only after the water system has been operating for at least ___________ - correct answer ✅15 minutes
the auto chlorine monitoring-Hach CM130 automatically monitors the total chlorine every _________ - correct answer ✅5 minutes hardness testing is done on water leaving the water softener at the _________ of the treatment day - correct answer ✅end water analysis for chemical contaminants is performed at least annually and on what four other occasions? - correct answer ✅1. at system installation
what is the interdialytic weight gain (IDWG)? - correct answer ✅pre-treatment weight - last treatment post weight; should not be greater than 5% of target weight what is the UF goal? - correct answer ✅pre-treatment weight - target weight + prime/rinseback/oral fluids what is the UF max? - correct answer ✅target weight x treatment time x 13 ml/kg/hr ____________ is an electrolyte that has a major role in muscle contraction and high or low levels can lead to weakness and even cardiac arrest - correct answer ✅potassium patients whose kidney failure is caused by diabetes are more likely to have ____________ which can impact their mobility - correct answer ✅neuropathy (nerve damage)
when to report abnormal BP readings pre-treatment - correct answer ✅systolic greater than 180 or less than 90 mm/Hg diastolic greater than or equal to 100 mm/Hg 20 mm/Hg differences from baseline when to report abnormal respirations - correct answer ✅normal rate is 12-16 breaths, rate of 24 breaths/min or more require a nursing assessment prior to treatment initiation when to report abnormal BP readings post-treatment - correct answer ✅systolic greater than 140 or less than 90 mm/Hg diastolic greater than 90 or less than 50 mm/Hg 20 mm/Hg differences from baseline inflow stenosis - correct answer ✅presents with a water hammer pulse outflow stenosis - correct answer ✅presents with a whistling sound
prolonged bleeding of cannulation sites is defined as bleeding more than _____________ post needle removal - correct answer ✅30 minutes hemostatic sponges should only be used after ______________ has occurred despite interventions - correct answer ✅prolonged bleeding once bleeding has stopped, hemostatic sponges are _________ so that any reoccurrence of bleeding is observed by teammates - correct answer ✅discarded suggested blood flow range for needle gauges - correct answer ✅17 gauge / 200-250 ml/min 16 gauge / 250-350 ml/min 15 gauge / 350-450 ml/min 14 gauge / > 450 ml/min what is the max arterial pressure associated with any BFR? - correct answer ✅-260 mmHg
when a patient experiences chest pain or angina, the BFR should be reduced to _________ and UFR decreased - correct answer ✅ 200 if a patient suffers an air embolism he/she should be placed immediately in the _____________ position on the _________ side
correct answer ✅Trendelenburg; left the dialysis treatment should be discontinued if a patient suffers a mild medication related allergic reaction (true or false) - correct answer ✅false in the case of an anaphylactic reaction, dialysis must be discontinued without returning the patient's blood (true/false) - correct answer ✅true; stop blood pump, stop treatment, do not return blood an immediate symptom of a disinfectant infusion is pain at the ___________ needle site - correct answer ✅venous
the refrigerator is checked ____________ during facility normal operating hours - correct answer ✅twice daily what is the DQI? - correct answer ✅davita quality index is a tool used to assess facility performance and improve the lives of patients, reevaluated every year by OCMO what is the FHR? - correct answer ✅facility health record is used by facilities to meet CMS conditions for coverage as a means to measure continuous quality improvement, reviewed by the FHM each month an initial plan of care, based on findings from the comprehensive assessment, will be completed on all patients new to dialysis within _______ calendar days or ________ outpatient dialysis sessions - correct answer ✅30; 13 a follow up _________ re-assessment will be completed to evaluate patient's status and provide information to adjust the patient's plan
bacterial contamination levels (water and dialysate) - correct answer ✅acceptable: below 50 dfu/ml action: 50-99 cfu/ml unacceptable: 100 cfu/ml or greater endotoxin contamination levels (water) - correct answer ✅acceptable: below 0.12 EU/ml action: 0.12-0.25 EU/ml unacceptable: 0.25 EU/ml or greater endotoxin contamination levels (dialysate) - correct answer ✅acceptable: below 0.25 EU/ml action: 0.25-0.50 EU/ml unacceptable: 0.50 EU/ml or greater what does each term stand for in Kt/V? - correct answer ✅this is used to measure the clearance of blood, how well a patient's blood is being cleaned during each treatment K = clearance
t = time V = volume regarding fluid removal, when caring for CKD patients it is better to leave patients ___________ - correct answer ✅dry; because they are unable to excrete excess fluid on their own regarding fluid removal, when caring for AKI patients it is better to leave patients____________ - correct answer ✅wet; because we want to preserve remaining kidney function why is hypotension bad for our patients? - correct answer ✅causes organ stunning and increased mortality what causes dialysis disequilibrium syndrome (DDS)? - correct answer ✅not enough dialysis or skipping treatments