CCHT Practice Exam 137 Questions with Verified Answers,100% CORRECT

CCHT Practice Exam 137 Questions with Verified Answers AAMI Chemical Analysis of water used for hemodialysis is tested... - CORRECT ANSWER annually A fistula connects... - CORRECT ANSWER an artery to a vein A ...

CCHT Practice Exam 137 Questions with Verified Answers AAMI Chemical Analysis of water used for hemodialysis is tested... - CORRECT ANSWER annually A fistula connects... - CORRECT ANSWER an artery to a vein A marker used to determine the middle molecule clearance of a dialyzer is - CORRECT ANSWER vitamin B12 A mixed-bed DI tank contains - CORRECT ANSWER cations and anions A nephron is made up of... - CORRECT ANSWER a glomerulus and a tubule system A patient who is to receive their first dialysis treatment is prone to... - CORRECT ANSWER dialysis disequilibrium syndrome What is a food high in potassium? - CORRECT ANSWER banana A slow pulse of 54 beats/minute would indicate the patient has - CORRECT ANSWER bradycardia A reason why a dialysis technician is to be certified is - CORRECT ANSWER It's a CMS requirement A rise in transmembrane pressure in a low flux dialyzer during hemodialysis is indicative of... - CORRECT ANSWER clotting of the extracorporeal circuit A true aneurysm can be dangerous because it... - CORRECT ANSWER may rupture and cause the patient to bleed profusely A patients lab results indicate that the pre-dialysis BUN level was lower than the post dialysis BUN level. When interpreting these findings the technician would seek the answer to which question? - CORRECT ANSWER Was the post dialysis sample drawn correctly? A rapid pulse of 104 beats/minute would indicate that the patient has - CORRECT ANSWER tachycardia AAMI standard for conventional dialysate requires the total microbial count be less than... - CORRECT ANSWER 100 CFU/mL Abnormal levels of this electrolyte can cause cardiac arrhythmias and even death... - CORRECT ANSWER Potassium Acceptable interdialytic weight gains are - CORRECT ANSWER 3-5% of TW The AAMI standard for endotoxin levels in conventional dialysate is... - CORRECT ANSWER less than 0.50 EU/mL Albumin is an important test that tells about the patients' ________ status - CORRECT ANSWER nutritional All of the following are phosphate binders EXCEPT... - CORRECT ANSWER Vitamin B12 (other options: TUMS, Phos-Lo, Renagel) All of the following may be signs and symptoms of an infected access EXCEPT... - CORRECT ANSWER Numbness and tingling (other options: fever and swelling of the access, redness and warmth, tenderness and drainage) Asepsis is defined as... - CORRECT ANSWER the absence of disease producing organisms Dialysate that is too hot will cause... - CORRECT ANSWER hemolysis Target weight is defined as the... - CORRECT ANSWER weight at which the patient has no edema or fluid in the lungs and BP is normal Low venous pressure alarm is most likely caused by... - CORRECT ANSWER disconnection of the bloodline If three hours of time has actually passed but the machine is showing that only two and a half hours have passed, the technician should understand that... - CORRECT ANSWER the machine was in bypass for 30 minutes Biohazardous waste includes any material exposed to... - CORRECT ANSWER blood Decreasing the patients prescribed blood flow rate affects the rate of... - CORRECT ANSWER diffusion After an infiltration of the venous needle, the technician should FIRST... - CORRECT ANSWER STOP THE BLOOD PUMP Dialysate pH should be... - CORRECT ANSWER between 6.9 and 7.6 If the air detector alarm is going off and foam is visible in the venous drip chamber, the dialysis technician should immediately... - CORRECT ANSWER clamp the venous line What question should a technician ask during pre-dialysis data collection? - CORRECT ANSWER How have you been since your last dialysis treatment? If a patient complains of being chilled, which action should the technician take? - CORRECT ANSWER take the patient's temperature When setting up the machine, if the conductivity test fails, what action should be taken? - CORRECT ANSWER notify the equipment technician ESRD specific tests such as BUN, Creatinine, and URR are... - CORRECT ANSWER indicators of adequacy of the renal replacement therapy Excess fluid is forced out of the blood and into the dialysate during dialysis by which principle? - CORRECT ANSWER ultrafiltration Feed conductivity minus product conductivity divided by feed conductivity X 100 is the formula for calculating... - CORRECT ANSWER percent rejection Dizziness and nausea experienced towards the end of the hemodialysis treatment are most likely due to... - CORRECT ANSWER hypotension Fluid to be removed divided by the treatment time tells us - CORRECT ANSWER the ultrafiltration rate Germicide rebound occurs due to - CORRECT ANSWER inadequate dialyzer priming A semipermeable membrane is a porous barrier that... - CORRECT ANSWER allows only certain sized particles to cross Hives, itching, and tightness of the chest and respiratory distress may be signs and symptoms of - CORRECT ANSWER anaphylaxis (severe allergic reaction) Hyperkalemia can lead to... - CORRECT ANSWER cardiac arrest If a patient develops an infection post transplant, the largest contributing factor would most likely be... - CORRECT ANSWER immunosuppressive medication If the extracorporeal circuit clots, it would be most important to monitor the patient's serum level of... - CORRECT ANSWER hemoglobin During dialyzer reprocessing, the blood component is tested to... - CORRECT ANSWER check dialyzer for total cell volume Lidocaine is administered... - CORRECT ANSWER intradermally A 58-year old patient who is blind comes to treatment accompanied by his wife. Which of these approaches should the dialysis technician use when interacting with the patient? - CORRECT ANSWER describe the activity in the immediate enviornment Low albumin levels in the dialysis patient have been linked with: - CORRECT ANSWER higher hospitalization and death rates A medication that dialyzes off easily is... - CORRECT ANSWER Digoxin Mr. Jones demonstrates how to wash his access. This is an example of which adult learning principle? - CORRECT ANSWER psychomotor Mr. Jones suffers from constipation. He goes to the drug store to buy a laxative. Mr. Jones should avoid which medication? - CORRECT ANSWER Milk of Magnesia Mr. Roberts verbalizes how to hand crank his blood pump in the event of an emergency. This is an example of which adult principle? - CORRECT ANSWER cognitive Mrs. Pruitt's temperature is elevated post-hemodialysis treatment. Which of these actions should the dialysis technician take? - CORRECT ANSWER notify the nurse Mrs. Smith arrives for dialysis treatment complaining of shortness of breath. Her pre-dialysis weight is 4.7 kilograms above the last post-treatment weight. The dialysis technician reweighed and verified the weight. Which of the actions should the dialysis technician take next? - CORRECT ANSWER notify the nurse of need for an assessment Ms. Foster complains 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: - CORRECT ANSWER trendelenburg position on the left side One reason that normal saline is used to prime and perform recirculation for the extracorporeal circuit prior to treatment is to remove: - CORRECT ANSWER air Normal body pH is... - CORRECT ANSWER 7.35 - 7.45 One disadvantage of a fistula is an increase in.. - CORRECT ANSWER time to mature One cause of aneurysms and pseudoaneurysms is: - CORRECT ANSWER poor rotation of sites The air detector alarms during treatment. If the machine is working properly, the dialysis technician should expect which of these events to have occurred? - CORRECT ANSWER blood pump has stopped Pain at the venous needle site, along with respiratory difficulty and chest pain could be an indicator of: - CORRECT ANSWER sterilant infusion Patient exposure to chloramines during the hemodialysis treatment may cause: - CORRECT ANSWER hemolysis One sign and symptom of fluid overload is - CORRECT ANSWER hypertension Solutions that have a higher osmolarity than body fluids are called? - CORRECT ANSWER hypertonic Sam's TW is 70 kilograms (kg). He arrives for treatment today at a weight of 70 kg. 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 treatment today? - CORRECT ANSWER the nurse will get an order to decrease the TW Symptoms of hyperkalemia may include... - CORRECT ANSWER numbness and tingling The accuracy of lab results depends on adherence to proper lab draw technique. You must ensure that labs are drawn: - CORRECT ANSWER at the right time, right site, and right order Short frequent hemodialysis treatments in patients with high BUN (blood urea nitrogen) are performed to prevent: - CORRECT ANSWER dialysis disequilibrium syndrome The medication used to treat anemia is: - CORRECT ANSWER epogen The most important monitor in the dialysis setting is: - CORRECT ANSWER staff The extracorporeal circuit consists of the - CORRECT ANSWER blood lines and the dialyzer The normal range of resting respirations in an adult is: - CORRECT ANSWER 12-20 breaths per minute The dextrose used in the Dialysate for peritoneal dialysis can cause: - CORRECT ANSWER hyperglycemia The leading cause of chronic kidney disease for adults in the United States: - CORRECT ANSWER diabetes The organization that has as a goal to 'improve the care and outcomes of all individuals with kidney disease' is called: - CORRECT ANSWER KDOQI The dialysis technician's role in patient education is to: - CORRECT ANSWER reinforce educational information provided The most important intervention to prevent the spread of infection is: - CORRECT ANSWER performing hand hygiene The movement of fluid from the tissues toward a higher concentration of sodium in the blood is an example of - CORRECT ANSWER osmosis The functional unit of the kidney, or the structure in the kidney that does the work, is the: - CORRECT ANSWER nephron The bruit in an AV fistula or graft is detected by - CORRECT ANSWER listening with a stethoscope The National standard, based on the KDOQI (Kidney Disease Outcomes Quality Initiative) guidelines, for the Urea Reduction Rate (URR) is a ratio greater than: - CORRECT ANSWER 65% The most important member of the patient care team is the: - CORRECT ANSWER patient The medication used to improve calcium absorption is: - CORRECT ANSWER Zemplar How do you know if a patient can safely disconnect themselves in an emergency? - CORRECT ANSWER let the patient show you after a treatment 'Dwell time' in peritoneal dialysis is defined as: - CORRECT ANSWER the amount of time it takes to drain the peritoneal fluid Dialysate conductivity measures: - CORRECT ANSWER the total electrical charge of a solution Name the two compartments of the dialyzer: - CORRECT ANSWER bloodanddialysate Which statement is true about kidney transplantation? - CORRECT ANSWER there is a shortage of available kidney donors The usual fluid allowance for a person with kidney failure is - CORRECT ANSWER 1.0 to 1.5 liters per day The scale says a patient weights 70 kg. This is the same as weighing how many pounds (lb)? - CORRECT ANSWER 154 The organization that sets the standards for dialysis water quality is called: - CORRECT ANSWER AAMI Total cell volume (TCV) is an indirect measure of the: - CORRECT ANSWER performance of the dialyzer Total chlorine levels in the water are tested - CORRECT ANSWER before each patient shift and every 4 hours The purpose of using counter-current flow is to - CORRECT ANSWER increase the rate of waste removal Water moves across a membrane from an area of lower solute concentration to an area of higher solute concentration by which principle - CORRECT ANSWER osmosis The water softener - CORRECT ANSWER operates on the principle of ion exchange What are the typical signs of fluid overload? - CORRECT ANSWER edema and shortness of breath The usual heparin sodium concentration for anticoagulation during hemodialysis is: - CORRECT ANSWER 1000 u/mL To determine the patency of an arteriovenous vascular access, the dialysis technician should initially feel for the presence of - CORRECT ANSWER a thrill Ultrafiltration is influenced by - CORRECT ANSWER transmembrane pressure Waste products are removed during dialysis by which principle - CORRECT ANSWER diffusion The water softener removes - CORRECT ANSWER calcium and magnesium The reprocessed dialyzer is carefully rinsed prior to patient use to remove: - CORRECT ANSWER residual germicide The part of the cell wall of bacteria that, when released, can cause fever in hemodialysis patients is: - CORRECT ANSWER endotoxin The venous needle in an AV fistula - CORRECT ANSWER should be placed antegrade The total pressure that exists across the dialyzer membrane is called - CORRECT ANSWER transmembrane pressure The substance that may be added to the municipal drinking water to make it clearer is: - CORRECT ANSWER alum Which of the following is the most accurate measure of dialysis adequacy? - CORRECT ANSWER Kt/V Which component in dialysate is used to correct metabolic acidosis? - CORRECT ANSWER bicarbonate Which of the following is most likely to cause a high venous pressure alarm? - CORRECT ANSWER kinking of the venous blood line What lab tests are used to monitor anemia in the ESKD patient? - CORRECT ANSWER hemoglobin/hematocrit Which learning domain is knowledge based? - CORRECT ANSWER cognitive What is the desired outcome when the patient performs fistula exercises? - CORRECT ANSWER enlargement of the vein Which of the following is the classic sign of hemolysis? - CORRECT ANSWER cranberry juice colored blood in the venous line Which food below is highest in phosphorus? - CORRECT ANSWER ice cream When fluid replacement is necessary during the hemodialysis treatment, which of the following solutions is used? - CORRECT ANSWER 0.9% normal saline Which of the following is NOT a symptom of uremia? - CORRECT ANSWER elevated hematocrit Which of the following is a cause of hypotension during and after dialysis treatments? - CORRECT ANSWER removing too much fluid Which of the following is NOT a possible cause of an increased temperature pre dialysis? - CORRECT ANSWER the patient has fluid overload Which of the following is considered to be safe water for dialysis? - CORRECT ANSWER dialysis quality water Which of the following is the largest gauge? - CORRECT ANSWER 18 gauge Which of the following actions would increase diffusion during dialysis? - CORRECT ANSWER using a bath that will provide a greater concentration gradient Which of the following diffuses from the patient's blood during dialysis? - CORRECT ANSWER urea What is the most important activity that the dialysis technician can perform to prevent the spread of infectious disease in the dialysis clinic? - CORRECT ANSWER hand hygiene Which learning domain is behavioral based? - CORRECT ANSWER affective When cannulating, the tips of the needles should be at least - CORRECT ANSWER 1.5 inches apart Which of the following symptoms would indicate a need to increase the target weight? - CORRECT ANSWER hypotension and cramping Your patient is to receive 2000 units of heparin. The vial you are using is 1000u/ml heparin. How many mLs will you draw up for this patient? - CORRECT ANSWER 2.0 Which of these types of vascular accesses has the fewest complications? - CORRECT ANSWER an arteriovenous fistula Which of the following is used to prevent air in the bloodlines? - CORRECT ANSWER tighten all connections Which organization establishes the standards and recommendations for dialyzer reprocessing? - CORRECT ANSWER AAMI Which of the following would cause a high venous pressure alarm? - CORRECT ANSWER venous needle is against the wall of the vessel Which of the following might indicate a need to decrease the heparin dose? - CORRECT ANSWER patient just had surgery yesterday Which of the following might indicate the need to increase heparin? - CORRECT ANSWER clotting in the extracorporeal circuit Which of these technician activities contributes to data collection used to measure quality outcomes? - CORRECT ANSWER ensuring accurate documentation You have documented incorrectly on a patient's chart. How do you correct this? - CORRECT ANSWER draw line through wrong entry, write error, initial/date entry A decrease in transmembrane pressure in a high flux dialyzer during hemodialysis is indicative of: - CORRECT ANSWER clotting of the extracorporeal circuit