Fresenius Medical Care
CCHT CCHT Certification Preparation
E X C E L L E N C E I N D I A LY S I S C A R E
FRESENIUS
CCHT Certification Preparation Test
F R E S E N I U S M E D I C A L C A R E — V E R I F I E D A N S W E R S & R AT I O N A L E S
CERTIFICATION CCHT — NNCO ORGANIZATION Fresenius Medical Care
PROGRAM Hemodialysis Technician Certification ACADEMIC YEAR
EXAM TITLE CCHT Certification Preparation Test TOTAL QUESTIONS 30+ Questions
COURSE TITLE Clinical Hemodialysis Technician Training FORMAT Multiple Choice — Select the Single Best
Answer
EXAMINATION INSTRUCTIONS
▸ Select the single best answer for each question.
▸ Questions cover patient care, vascular access, machine operations, infection control, and professional practice.
▸ Verified answers with detailed rationales are provided for comprehensive CCHT preparation.
▸ Pay close attention to safety protocols, emergency interventions, and water treatment standards.
FRESENIUS CCHT PREPARATION — COMPREHENSIVE PRACTICE Questions 1 –
EXAMINATION 30+
1. What practice helps to build a patient's immunity to hepatitis B?
A. Isolation precautions.
B. Vaccination.
C. Antibiotic therapy.
D. Steroid administration.
CORRECT ANSWER B — Vaccination
RATIONALE Hepatitis B vaccination is the most effective method to build active immunity against HBV. The CDC
recommends that all dialysis patients and staff receive the hepatitis B vaccine series. Vaccination stimulates
the immune system to produce protective antibodies against the hepatitis B surface antigen (anti-HBs).
2. A patient asks the technician "What does uremia mean?" The technician's response should be based on the fact
that uremia is:
A. A type of kidney infection.
B. An increase of waste in the blood.
C. A decrease in urine output.
D. Inflammation of the bladder.
CORRECT ANSWER B — An increase of waste in the blood
RATIONALE Uremia literally means "urine in the blood" — it is the clinical syndrome caused by accumulation of
nitrogenous waste products (urea, creatinine, and other toxins) that the failing kidneys cannot excrete.
Symptoms include fatigue, nausea, pruritus, mental status changes, and pericarditis.
, 3. A central venous catheter may be used as a vascular access when a patient:
A. Prefers it over a fistula.
B. Has inadequate blood vessels in the limbs.
C. Has a history of infection.
D. Has high blood pressure.
CORRECT ANSWER B — Has inadequate blood vessels in the limbs
RATIONALE Central venous catheters (CVCs) are used when peripheral vascular access cannot be established — typically
when the patient lacks adequate vessels for AV fistula or graft creation. CVCs are considered a last resort due
to higher infection and stenosis risks, but they provide immediate access when needed for urgent dialysis.
4. Before a dialysis treatment, the patient tells the technician, "Yesterday, I felt terrible and vomited up some blood. I
feel much better today." The technician can expect the patient's treatment will be modified by:
A. Increasing the dialysate sodium.
B. Decreasing the heparin dose.
C. Increasing the blood flow rate.
D. Adding potassium to the dialysate.
CORRECT ANSWER B — Decreasing the heparin dose
RATIONALE Vomiting blood (hematemesis) indicates active gastrointestinal bleeding. Heparin anticoagulation during
dialysis could worsen this bleeding. The nurse/physician will likely decrease or hold the heparin dose and
possibly implement heparin-free dialysis (using saline flushes) to prevent exacerbating the GI bleed.
5. The technician is unsure which port of a patient's AV graft is arterial and which is venous. How do you differentiate
between the two?
A. Cannulate both sides and observe the color of the blood.
B. Apply a tourniquet to the arm and feel for the strongest pulse.
C. Compress the graft in the middle and palpate each side.
D. Ask the patient which side was used last treatment.
CORRECT ANSWER C — Compress the graft in the middle and palpate each side
RATIONALE To differentiate arterial from venous limbs of an AV graft, occlude the graft at its midpoint with finger
pressure. The side with a continued pulse is the arterial limb; the side where the pulse disappears is the
venous limb. This technique reliably identifies flow direction for proper needle placement.
6. At the end of a patient's treatment, which finding should be reported to the RN?
A. A temperature of 98.6°F (37°C).
B. A pulse rate of 120 beats per minute.
C. A weight loss of 2.0 kg.
D. Blood pressure of 140/85 mmHg.
CORRECT ANSWER B — A pulse rate of 120 beats per minute
RATIONALE A pulse rate of 120 bpm (tachycardia) post-dialysis may indicate hypovolemia from excessive fluid removal,
bleeding, cardiac dysrhythmia, or infection. This abnormal finding requires immediate RN assessment.
Temperature 98.6°F is normal, weight loss of 2 kg is within expected range, and BP 140/85 is not critically
abnormal.