Download CCHT PRACTICE EXAM DAVITA Questions with Answers latest 2025 and more Exams Medicine in PDF only on Docsity!
CCHT PRACTICE EXAM DAVITA
Questions with Answers latest 2025
nephron ✔️ the function unit of the kidney, or the structure in the kidney that does the work, is the
diabetes ✔️ the leading cause of chronic kidney disease for adults in the united states:
a glomerulus and a tubule system ✔️ a nephron is made up
elevated hematocrit ✔️ which of the following is not a symptom of uremia
5,540ml ✔️ Mrs. smith's dry weight is 62 kg. her pretreatment weight when she came in for treatment on monday was 67kg. the priming saline amount is 240ml, fluid from medication is 100 ml , and she is not allowed any fluids during treatment. what is the total amount of fluid weight to be removed during her treatment?
1,385 ml/hr ✔️ based on Mrs. smith's total amount of fluids to be removed, what is the ultrafiltration rate per hour (ml/hr)for her 4-hour treatment?
removing too much fluids ✔️ which of the following is a cause of hypotension during and after dialysis treatments?
154 ✔️ the scale says a patient weights 70 kg. this the same as weighting how many points (lb)?
7.35-7. ✔️ normal body ph is
hypertension ✔️ one sigh and symptoms of fluids overload is
potassium ✔️ abnormal levels of this electrolyte can cause cardiac arrhythmias and even death
osmosis
✔️ water moves across a membrane from an area of lower solute concentration to an area of higher solute concentration by which principle
diffusion ✔️ waste products are removed during dialysis by which principle
ultrafiltration ✔️ excess fluid is forced out of the blood and into the dialysis by which principle
osmosis ✔️ the movement of the fluid from the tissue toward a higher concentration of sodium in the blood is a example of
diffusion ✔️ decreasing the patient's prescribed blood flow affects the rate of
using a bath that will provide a grater concentration gradient ✔️ which of the following actions would increase diffusion during dialysis?
urea ✔️ which of the following diffusion diffuses from the patients blood during dialysis?
transmembrane pressure ✔️ ultrafiltration is influenced by
peritonitis ✔️ the most common complication in peritoneal dialysis is
hyperglycemia ✔️ the dextrose used in the dialysate for peritoneal dialysis can cause
immunosuppressive medication ✔️ if a patient develops an infection post transplant, the largest contributing factor would most likely be:
infection ✔️ the most frequent cause of death in the first year post transplant is
performance of the dialyzer ✔️ total cell volume (TCV) is a indirect measure of the
80% ✔️ the TCV should be no less than
dialysis quality water ✔️ which of the following is considered to be safe water for dialysis
hemolysis ✔️ patient expose to chloramines during the hemodialysis treatment may cause
less than two (2) EU/ML. ✔️ according to AAMI the standard levels for endotoxin levels is
percent rejection ✔️ feed conductivity- product conductivity divided by x 100 is the formula calculation of
cations and anions ✔️ a mixed-bed DI tank contains
aluminum ✔️ the substance that may be added to the municipal drinking water to make it clearer is
annually ✔️ AAMI chemical analysis of water used for hemodialysis is tested
endotoxin ✔️ the part of the cell wall of bacteria that, when released, can cause fever in hemodialysis patients is
disconnection of the blood line ✔️ during a hemodialysis treatment the technician responds to a low venous pressure alarm. the most likely cause for this alarm
ph and conductivity ✔️ the hemodialysis machine continuously monitors may parameters. which of the these parameters must be verified by an external measuring device?
kinking of the venous blood line ✔️ which of the following is most likely to cause a high venous pressure alarm?
notify the equipment technician ✔️ during the set-up of a hemodialysis machine, the alarm test for conductivity fails. which of these actions should the dialysis technician take?
clotting of the extrecorporeal circuit ✔️ rinse in transmembrane pressure in a low flux dialyzer during hemodialysis is indicative of
air ✔️ one reason that normal saline is used to rinse and prime the extracorporeal circuit prior to treatment is to remove
device inside the machine that converts air pressure into electronic signal ✔️ which of the following best describes the transducer protector?
venous needle is against the wall of the vessels ✔️ which of the following would cause a high venous pressure alarm?
blood pump has stopped ✔️ the air detector alarms during treatment. if the machine is working properly, the dialysis technician should expect which of these events to have occurred
blood lines and the dialyzer ✔️ the extracorporeal circuit consists of the
discard the needle ✔️ before a hemodialysis treatment , treatment , the technician removes the cap from the fistula needle and accidentally touches the chair with the tip of the needle. which of these actions should the technician take first
a thrill ✔️ to determine the potency of a arteriovenous vascular access, the dialysis technician should initially feel for the presence of
an infiltration ✔️ a patient complaints of pain at the venous needle site. the dialysis technician observes there is swelling distal to the venous needle site and that the venous pressure is rising. the dialysis technician should suspect
numbness and tingling ✔️ all the following may be signs and symptoms of an infection access EXCEPT:
stop the blood pump ✔️ during a hemodialysis treatment, a patient's venous needle infiltrates. which of these actions should the dialysis technician take first?
an arteriovenous fistula ✔️ which of these types of vascular access has the fewest complication
in time to mature ✔️ one disadvantage of a fistula is an increase in
✔️ during hemodialysis, the air detector on Ms. foster's machine alarms and foam is visible in the venous drip chamber. the immediate action of the dialysis technician should be to.
weight at which the patient has no edema or fluids in the lungs and bp is normal ✔️ dry weight is defined as the
hypotension and cramping ✔️ which of the following symptoms would indicate a need to increase the estimated dry weight (EDW)?
the nurse will get an order to decrease the EDW ✔️ Sam's EDW is 70 kilograms (KG). he arrives for treatments today at a weight of 70kg. he complains of shortness of breath and you notice his ankles are swollen. you notify the charge nurse. what do you think will be the plan for sam's treatments todays?
the patient has fluid overload ✔️ which of the following is not a possible cause of an increased temperature pre- dialysis?
cranberry juice colored blood in the venous line ✔️ which of the following is the classic sign of hemolysis
trendelenburg position on left side ✔️ Ms. foster complication of shortness of breath. while calling for the nurse the dialysis technician notices there is air in the extracorporeal circuit she/he should place Ms. foster in:
hypertonic ✔️ solution that have a higher osmolarity than body fluids are called?
cleansing of the hands ✔️ the most important intervention to prevent the spread of infection is:
using gloves when touching the machine ✔️ infection control protocol for hemolysis equipment should include which of these actions by the caregiver?
0.9% normal saline ✔️ when fluid replacement is necessary during the hemodialysis treatment, which of the following solution is used?
500
✔️ a patient's dry weigh is 154.0 lb (70 kg) and the patient's pre treatment weight is 158.4 lb (72kg). four-hours treatment, how many ml/hour must the patient lose to reach dry weight?
machine was in bypass for 30 minutes ✔️ during a hemodialysis treatment, a patient says to the technician, three hours of time have passed according to the clock on the wall, but the machine shows that only 2. hours have passed. what could be the problem? the technician should understand that the.
clean the machine surface immediately ✔️ a dialysis technician observes a drop of blood on the surface of a patient's hemolysis machine. which of these actions should the dialysis technician take?
the absence of disease producing organism ✔️ asepsis is defined as
hemoglobin ✔️ if the extracorporeal circuit clots and it must be discarded, it would be most important to monitor the patient's serum levels of
edema and shortness of breath ✔️ what are the typical signs of fluids overload
cardiac arrest ✔️ hyperkelemia can lead to
tighten all connections ✔️ which of the following is used to prevent air in the bloodlines?
hypotension ✔️ fifteen minutes before the end of a hemodialysis treatment, a patient complains of dizziness and nausea. these symptoms are most likely due to
take the patient's temperature ✔️ during the hemodialysis treatment, a patient complains of feeling chilled. in addition to getting the blanket, which of these actions should the technician take?
dialysis disequilibrium syndrome ✔️ short frequent hemodialysis treatment in patients with high BUN ( blood urea nitrogen ) are performed to prevent
call for assistance
✔️ which of the following is the most accurate measure of dialysis adequacy?
blood ✔️ biohazardous waste includes any material exposed to
was the predialysis sample draw from the venous port? ✔️ a patient laboratory results indicate that the predialysis BUN levels was lower than the post dialysis BUN levels. when interpreting these findings the technician should seek the answer to which of these questions
KDOQI ✔️ the organization that has as a goal to '' improve the care and outcomes of all individuals with kidney disease'' is called
about one ounce (30ml) fluid is on the floor ✔️ a dialysis technician observes all of the below on the treatment floor, which one poses an environment risk?
hand washing ✔️ what is the most important activity that the dialysis technician can perform to prevent the spread of infectious disease in the dialysis clinic?
AAMI ✔️ the organization that sets the standards for dialysis water quality is called
ensuring accurate documentation ✔️ which of these technician activities contributes to data collection used to measure quality outcomes?
bananas ✔️ a patient tells the technician that the dietitian reviewed high-potassium foods with her. during the conversation she states she routinely eats the following food. which one is highest in potassium?
ice cream ✔️ which food below is highest in phosphorus
highest hospitalization and death rates ✔️ low albumin levels in the dialysis patient have been linked with:
3-5% of EDW ✔️ acceptable interdialytic weight gains are
1.0 to 1.5 liters per day
✔️ the usual fluid allowance for a person with kidney failure is
numbness and tingling ✔️ symptoms of hyperkalemia (high potassium) may include
the patient just had surgery yesterday ✔️ which of the following might indicate a need to decrease the heparin dose?
clotting in the extracorporeal circuit ✔️ which of the following might indicate the need to increase heparin
1,000u/ml ✔️ the usual heparin sodium concentration for anticoagulation during hemolysis is
intradermally ✔️ lidocaine is administered
digoxin ✔️ medications that dialyze easily are all expect:
milk of magnesia ✔️ Mr. jones suffers from constipation. he goes to the drug store to buy a laxative. Mr. jones should avoid which medication?
18 gauge ✔️ which of the following is the largest needle?
✔️ your patient is to receive 2000 units of heparin. the vial you are using is 1000u/ml heparin. how many mis will you draw up for this patient?
vitamin B 12 ✔️ all of the following are phosphate binders expect:
epogen ✔️ the medication used to treat anemia is
zemplar ✔️ the medication used to improve calcium absorption is:
refers the patient to the social worker ✔️ a female dialysis technician has been caring for a male patient for several months. the patient tells the dialysis technician that he is lonely and depressed. he asked the
its a new federal regulation ✔️ a reason why a dialysis technician is to be certified is
