CCHT practice test ACCURATE TESTED VERSIONS OF THE EXAM FROM 2025 TO 2026 | ACCURATE AND VERIFIED ANSWERS | NEXT GEN FORMAT | GUARANTEED PASS

AAMI Chemical Analysis of water used for hemodialysis is tested a) annually b) monthly c) semi-annually d) quarterly - correct answer-Annually 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? a) avoid using phrases that refer to sight, such as "it looks like..." b) describe the activities in the immediate environment c) give instructions to his wife instead of him d) touch the patient before speaking to him - correct answer-Describe the activities in the immediate environment A dialysis technician observes a drop of blood on the surface of a patient's hemodialysis machine. Which of these actions should the dialysis technician take? a) clean the machine surface at the end of treatment b) clean the machine surface immediately c) notify the equipment technician d) notify the nurse - correct answer-Clean the machine surface immediately A marker used to determine the middle molecule clearance of a dialyses is a) creatinine b) nitrogen c) urea d) vitamin B12 - correct answer-Vitamin B12 A mixed-bed DI tank contains a) anions and sediments b) activated charcoal and anions c) cations and anions d) cations and minerals - correct answer-Cations and anions A nephron is made up of a) a glomerulus and a tubule system b) the bladder and the uterus c) the cortex and a capsule d) the loop of Henle and the capillary ball - correct answer-A glomerulus and a tubule system A reason why a dialysis technician is to be certifies is a) DaVita requires is b) it is a CMS requirment c) to show proof of training d) to test your knowledge - correct answer-DaVita requires it A patient's laboratory results indicate that the predialysis BUN level was lower than the post dialysis BUN level. When interpreting these findings the technician should seek the answer to which of these questions. a) was the machine in bypass during the post sampling? b) was the patients heparin pump turned off when the post sample was drawn? c) was the post dialysis sample drawn correctly d) was the port used for predialysis sampling cleaned with disinfectant - correct answer-Was the post dialysis sample drawn correctly A patient"s target weight is 154.0 lb (70 kg) and the patient's pre treatment weight is 158.4 lb (72 kg). For a four-hour treatment, how may mL/hour must the patient lose to reach dry weight? a) 250 b) 500 c) 750 d) 1000 - correct answer-500 AAMI standard for conventional dialysate requires the total microbial count be less than a) 100 CFU/mL b) 200 CFU/mL c) 300 CFU/mL d) 400 CFU/mL - correct answer-100 CFU/mL Acceptable interdialytic weight gains are 3-5% of TW 6-7% of TW 8-9% of TW 10-11% of TW - correct answer-3-5% of EDW The AAMI standard for endotoxin levels in conventional dialysate is a) less than one (1) EU/mL b) less than 0.50 EU/mL c) less than two (2) EU/mL d) less than 100 EU/mL - correct answer-Less than 0.50 EU/mL Albumin is antest that tells about the patients _____ status. a) adequacy b) anemia c) bone health d) nutritional - correct answer-Nutritional All of the following are phosphate binders except: a) Renagel B) Phos- Lo c) Tums d) vitamin B12 - correct answer-Vitamin B12 Asepsis is defined as a) an access infection b) a bloodstream infection c) a reduction in the number of organisms d) the absence of disease producing organisms - correct answer-The absence of disease producing organisms Decreasing the patient's prescribed blood flow rate affects the rate of a) diffusion b) filtration c) osmosis d) ultrafiltration - correct answer-Diffusion During hemodialysis a patient goes into cardiac arrest. The first action for the dialysis technician is a) apply for a pericardial thump to the patient b) call for assistance C) return the patients blood d) stop ultrafiltration - correct answer-Call for assistance Excess fluid is forced out of the blood and into the dialysate during dialysis by which principle? a) diffusion b) filtration c) osmosis d) ultrafiltration - correct answer-Ultrafiltration Feed conductivity minus product conductivity divided by feed conductivity x 100 is the formula for calculating a) percent rejection b) total dissolved solids c) percent resistivity d)total chlorine - correct answer-Percent rejection Germicide rebound occurs due to a) germicide bound to the casing b) inadequate dialyzer priming c) leaching from the potting compound d) residual in the O ring - correct answer-Inadequate dialyzer priming Mrs. Smith's target weight is 62 kg. Her pretreatment weight is 67 kg. Total fluids given is 240ml, 200mL, and 100ml. 5540Ml fluid will be removed. Based on Mrs. smith's total amount of fluid to be removed, what is the ultrafiltration rate per hour (mL/hr) for her 4-hour treatment? a) 1220 mL/hr b) 1385 mL/hr c) 5540 mL/hr d) 5820 mL/hr - correct answer-1385 mL/hr Infection control protocols for hemodialysis equipment should include which of these actions by the caregiver? a) changing the machine between patients b) culturing the ports of the machine after each patient c) using gloves when touching the machine d) wiping the machine with a bleach solution after an alarm sounds - correct answer-Using gloves when touching the machine During dialyzer reprocessing, the blood compartment is tested to a) check the dialyzer for membrane leaks b) check dialyzer for the total cell volume c) check dialyzer for Ultrafiltration rate d) check dialyzer for presence of sterilant - correct answer-Check dialyzer for total cell volume