Certified Clinical Hemodialysis Technician
(CCHT) Examination Questions and Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
Question 1
What is the primary function of the kidneys?
A. Produce insulin
B. Filter blood and remove waste
C. Regulate heart rate
D. Produce bile
Rationale: The kidneys filter blood, remove waste products, and
regulate fluid and electrolyte balance.
Answer: B
Question 2
Which access site has the highest blood flow for hemodialysis?
A. Central venous catheter
B. Fistula
,C. Graft
D. Peripheral IV
Rationale: An arteriovenous fistula provides the highest and most
reliable blood flow.
Answer: B
Question 3
What is the most common complication during hemodialysis?
A. Hypotension
B. Hyperglycemia
C. Hypertension
D. Bradycardia
Rationale: Hypotension is common due to fluid removal during
treatment.
Answer: A
Question 4
Which solution is used in the dialysate?
A. Blood products
B. Sterile water only
C. Electrolyte-balanced solution
,D. Plasma
Rationale: Dialysate contains electrolytes and helps correct blood
chemistry.
Answer: C
Question 5
What is the role of heparin during dialysis?
A. Increase blood pressure
B. Prevent clotting in the circuit
C. Lower potassium
D. Increase red blood cells
Rationale: Heparin prevents clot formation in the extracorporeal circuit.
Answer: B
Question 6
Which sign indicates fluid overload?
A. Dry skin
B. Hypotension
C. Edema
D. Bradycardia
, Rationale: Edema is a key sign of fluid overload in dialysis patients.
Answer: C
Question 7
What should a technician do first if air is detected in the bloodline?
A. Continue treatment
B. Clamp line and stop pump
C. Increase blood flow
D. Flush with saline
Rationale: Air in the bloodline is an emergency and requires stopping
the pump immediately.
Answer: B
Question 8
Which electrolyte imbalance is most dangerous in ESRD patients?
A. Sodium
B. Potassium
C. Calcium
D. Chloride
Rationale: Hyperkalemia can lead to fatal cardiac arrhythmias.
Answer: B
(CCHT) Examination Questions and Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
Question 1
What is the primary function of the kidneys?
A. Produce insulin
B. Filter blood and remove waste
C. Regulate heart rate
D. Produce bile
Rationale: The kidneys filter blood, remove waste products, and
regulate fluid and electrolyte balance.
Answer: B
Question 2
Which access site has the highest blood flow for hemodialysis?
A. Central venous catheter
B. Fistula
,C. Graft
D. Peripheral IV
Rationale: An arteriovenous fistula provides the highest and most
reliable blood flow.
Answer: B
Question 3
What is the most common complication during hemodialysis?
A. Hypotension
B. Hyperglycemia
C. Hypertension
D. Bradycardia
Rationale: Hypotension is common due to fluid removal during
treatment.
Answer: A
Question 4
Which solution is used in the dialysate?
A. Blood products
B. Sterile water only
C. Electrolyte-balanced solution
,D. Plasma
Rationale: Dialysate contains electrolytes and helps correct blood
chemistry.
Answer: C
Question 5
What is the role of heparin during dialysis?
A. Increase blood pressure
B. Prevent clotting in the circuit
C. Lower potassium
D. Increase red blood cells
Rationale: Heparin prevents clot formation in the extracorporeal circuit.
Answer: B
Question 6
Which sign indicates fluid overload?
A. Dry skin
B. Hypotension
C. Edema
D. Bradycardia
, Rationale: Edema is a key sign of fluid overload in dialysis patients.
Answer: C
Question 7
What should a technician do first if air is detected in the bloodline?
A. Continue treatment
B. Clamp line and stop pump
C. Increase blood flow
D. Flush with saline
Rationale: Air in the bloodline is an emergency and requires stopping
the pump immediately.
Answer: B
Question 8
Which electrolyte imbalance is most dangerous in ESRD patients?
A. Sodium
B. Potassium
C. Calcium
D. Chloride
Rationale: Hyperkalemia can lead to fatal cardiac arrhythmias.
Answer: B
