Practice Test GeeksCertified Hemodialysis Technologist/Technician Exam Practice Test
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Certified Hemodialysis Technologist/Technician Flashcards

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  1. During a hemodialysis treatment, the blood leak detector alarms. The technician should FIRST:

    Answer: Check the dialysate for pink or red discoloration to confirm a membrane rupture

    Confirming blood leak by inspecting dialysate for discoloration is the first step before clamping lines and stopping treatment.

  2. Which complication is specifically associated with the use of a tunneled central venous catheter for dialysis access?

    Answer: Catheter-related bloodstream infection (CRBSI)

    Tunneled catheters have the highest infection rate among access types, with CRBSI being the most serious and life-threatening complication.

  3. Dialysis disequilibrium syndrome most commonly occurs in:

    Answer: New patients or those with very high pre-dialysis BUN who are dialyzed too aggressively

    Rapid solute removal in uremic patients creates an osmotic gradient causing cerebral edema; it is most common in first dialysis treatments.

  4. The minimum acceptable chloramine level in treated dialysis water per AAMI standards is:

    Answer: Less than 0.1 mg/L

    AAMI standards require chloramine levels below 0.1 mg/L in treated water to prevent hemolytic anemia in dialysis patients.

  5. The 'rope-ladder' technique for AVF cannulation requires:

    Answer: Rotating needle insertion sites systematically along the full length of the vessel segment

    Rope-ladder technique distributes punctures along the entire usable vessel length, preventing focal aneurysm formation and ensuring even wear.

  6. Which action is required before each dialysis treatment to verify proper blood pathway integrity?

    Answer: Conducting a pressure hold test on the blood circuit

    A pressure hold test confirms there are no leaks in the extracorporeal blood circuit before connecting the patient.

  7. Activated clotting time (ACT) monitoring during dialysis is used to:

    Answer: Guide heparin dosing to prevent clotting without over-anticoagulating

    ACT measures how long blood takes to clot and guides heparin titration to maintain adequate anticoagulation throughout the treatment.