CCHT CERTIFIED CLINICAL HEMODIALYSIS
TECHNICIAN CERTIFICATION TEST 2025 TEST
BANK WITH 400 PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS/ CCHT EXAM
PREP 2025 (NEW)
1. A hematocrit test indicates which of the following?
a) concentration of platelets
b) concentration of creatinine in the blood
c) concentration of red blood cells in the blood
d) concentration of white blood cells in the blood
c) concentration of red blood cells in the blood
2 The following are factors in poor clearance during dialysis except:
a) poor dialyzer reuse
b) access recirculation
c) low hematocrit
d) low blood flow rate
c) low hematocrit
3. 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?
- clean the machine surface at the end of the treatment
- clean the machine surface immediately
- notify the equipment technician
- notify the nurse
clean the machine surface immediately
4.Hemodialysis requires a means to channel the patient's blood to the hemodialyzer
& then back to the body. It's called:
a) vascular access
b) hemodialyzer
pg. 1
,c) dialyzing fluid delivery system
d) infusion pump
a) vascular access
5. Choose the correct statement regarding serum abnormalities in renal failure:
a) creatinine, BUN, & phosphorus are elevated
b) creatinine BUN creatinine, BUN, & phosphorus are depressed
c) calcium & bicarbonate are elevated
d) calcium & bicarbonate are depressed
a) creatinine, BUN, & phosphorus are elevated
6.Blood leak detectors are extremely sensitive & can determine:
a) blood type
b) amount of blood loss
c) blood leakage immediately
d) volume changes
e) serum potassium levels
c) blood leakage immediately
7.Which of the following foods are high in potassium?
a) milk, ice cream, yogurt
b) legumes, cheese, pizza
c) chips, colas, canned meat
d) bananas, tomatoes, oranges
d) bananas, tomatoes, oranges
8.What lab values are monitored for assessing bone disease?
a) calcium, phosphorus & PTH
b) calcium, phosphorus & albumin
c) calcium, phosphorus & potassium
d) calcium, phosphorus & magnesium
a) calcium, phosphorus & PTH
9.Which is the most common cause of chronic kidney failure in the US?
a) diabetes
b) hypertension
c) polycystic kidney smaller molecular
pg. 2
,disease
d) glomerulonephritis
a) diabetes
10.The reason potassium dialyzes and RBC's do not is:
a) potassium has a larger molecular weight
b) potassium has a smaller molecular weight
c) RBC's are not water soluble
d) RBC's have a negative charge
b) potassium has a smaller molecular weight
11.Acceptable limits for total chlorines in water for hemodialysis are?
a) less than 0 .1mg/L (ppm)
b) 0.5 mg/L to 1 mg/L(ppm)
c) 3.5 mg/L to 5.5 mg/L to 5.5 mg/L(ppm)
d) greater than 6.0 mg/L(ppm)
a) less than 0 .1mg/L (ppm)
12.If a new patient starts with a very high BUN, dialysis is purposely made less
efficient to prevent:
a) rapid decrease in hct
b) dialysis disequilibrium syndrome
c) cardiac arrhythmia's
d) excessive coagulation
b) dialysis disequilibrium syndrome
13. You test for sterilant levels in ahemodialysis machine prior to patient use. The
test is positive for sterilant. This means the machine:
a) is sterile & bacteria free
b) needs further rinsing
c) needs more sterilant
d) is in conductivity
b) needs further rinsing
14.The movement of water from an area of low solute concentration to an area of
high solute concentration is called:
a) diffusion
pg. 3
, b) osmosis
c) ultrafiltration
d) dialysis
b) osmosis
15.Potting compound, casing, fibers and headers are part of a:
a) dialysis machine
b) water treatment system
c) R. O. system
d) dialyzer
d) dialyzer
16.Mr. Jones has a dry weight of 72 kg. He weighed 73 kg after last treatment.
Today he weighs 75.5 kg. Assume prime and rinse back =500 ml total. What is
Mr.Jones' fluid removal goal for today?
a) 2.5 liters or 2500 ml
b) 3.0 liters or 3000 ml
c) 4.0 liters or 4000 ml
d) 4.5 liters or 4500
c) 4.0 liters or 4000 ml
17. Which of the following best describes the reason for wearing gloves when
handling machine prior to blood?
a) patient comfort
b) asepsis
c) universal precautions
d) HIV
c) universal precautions
18.What factors should be considered when establishing a patient's dry weight?
a) blood pressure
b) patient well being
c) evidence of dehydration or fluid overload
d) all of the above
d) all of the above
pg. 4
TECHNICIAN CERTIFICATION TEST 2025 TEST
BANK WITH 400 PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS/ CCHT EXAM
PREP 2025 (NEW)
1. A hematocrit test indicates which of the following?
a) concentration of platelets
b) concentration of creatinine in the blood
c) concentration of red blood cells in the blood
d) concentration of white blood cells in the blood
c) concentration of red blood cells in the blood
2 The following are factors in poor clearance during dialysis except:
a) poor dialyzer reuse
b) access recirculation
c) low hematocrit
d) low blood flow rate
c) low hematocrit
3. 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?
- clean the machine surface at the end of the treatment
- clean the machine surface immediately
- notify the equipment technician
- notify the nurse
clean the machine surface immediately
4.Hemodialysis requires a means to channel the patient's blood to the hemodialyzer
& then back to the body. It's called:
a) vascular access
b) hemodialyzer
pg. 1
,c) dialyzing fluid delivery system
d) infusion pump
a) vascular access
5. Choose the correct statement regarding serum abnormalities in renal failure:
a) creatinine, BUN, & phosphorus are elevated
b) creatinine BUN creatinine, BUN, & phosphorus are depressed
c) calcium & bicarbonate are elevated
d) calcium & bicarbonate are depressed
a) creatinine, BUN, & phosphorus are elevated
6.Blood leak detectors are extremely sensitive & can determine:
a) blood type
b) amount of blood loss
c) blood leakage immediately
d) volume changes
e) serum potassium levels
c) blood leakage immediately
7.Which of the following foods are high in potassium?
a) milk, ice cream, yogurt
b) legumes, cheese, pizza
c) chips, colas, canned meat
d) bananas, tomatoes, oranges
d) bananas, tomatoes, oranges
8.What lab values are monitored for assessing bone disease?
a) calcium, phosphorus & PTH
b) calcium, phosphorus & albumin
c) calcium, phosphorus & potassium
d) calcium, phosphorus & magnesium
a) calcium, phosphorus & PTH
9.Which is the most common cause of chronic kidney failure in the US?
a) diabetes
b) hypertension
c) polycystic kidney smaller molecular
pg. 2
,disease
d) glomerulonephritis
a) diabetes
10.The reason potassium dialyzes and RBC's do not is:
a) potassium has a larger molecular weight
b) potassium has a smaller molecular weight
c) RBC's are not water soluble
d) RBC's have a negative charge
b) potassium has a smaller molecular weight
11.Acceptable limits for total chlorines in water for hemodialysis are?
a) less than 0 .1mg/L (ppm)
b) 0.5 mg/L to 1 mg/L(ppm)
c) 3.5 mg/L to 5.5 mg/L to 5.5 mg/L(ppm)
d) greater than 6.0 mg/L(ppm)
a) less than 0 .1mg/L (ppm)
12.If a new patient starts with a very high BUN, dialysis is purposely made less
efficient to prevent:
a) rapid decrease in hct
b) dialysis disequilibrium syndrome
c) cardiac arrhythmia's
d) excessive coagulation
b) dialysis disequilibrium syndrome
13. You test for sterilant levels in ahemodialysis machine prior to patient use. The
test is positive for sterilant. This means the machine:
a) is sterile & bacteria free
b) needs further rinsing
c) needs more sterilant
d) is in conductivity
b) needs further rinsing
14.The movement of water from an area of low solute concentration to an area of
high solute concentration is called:
a) diffusion
pg. 3
, b) osmosis
c) ultrafiltration
d) dialysis
b) osmosis
15.Potting compound, casing, fibers and headers are part of a:
a) dialysis machine
b) water treatment system
c) R. O. system
d) dialyzer
d) dialyzer
16.Mr. Jones has a dry weight of 72 kg. He weighed 73 kg after last treatment.
Today he weighs 75.5 kg. Assume prime and rinse back =500 ml total. What is
Mr.Jones' fluid removal goal for today?
a) 2.5 liters or 2500 ml
b) 3.0 liters or 3000 ml
c) 4.0 liters or 4000 ml
d) 4.5 liters or 4500
c) 4.0 liters or 4000 ml
17. Which of the following best describes the reason for wearing gloves when
handling machine prior to blood?
a) patient comfort
b) asepsis
c) universal precautions
d) HIV
c) universal precautions
18.What factors should be considered when establishing a patient's dry weight?
a) blood pressure
b) patient well being
c) evidence of dehydration or fluid overload
d) all of the above
d) all of the above
pg. 4
