CCHT Practice Actual Exam 2025 CCHT
Exam Practice Latest Update 2025
Questions and Correct Answers Rated A+
1.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 - ANSWER-c) universal precautions
2 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 - ANSWER-b) needs further rinsing
3.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 - ANSWER-a) creatinine, BUN,
& phosphorus are elevated
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
c) dialyzing fluid delivery system
d) infusion pump - ANSWER-a) vascular access
5.Which of the following is correct regarding a fistula?
a) usually created in the leg, near the ankle
b) usually created in the forearm, near the wrist
c) are made of salastic tubing
d) none of the above - ANSWER-b) usually created in the
forearm, near the wrist
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 - ANSWER-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 - ANSWER-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 - ANSWER-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 disease
d) glomerulonephritis - ANSWER-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 - ANSWER-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) - ANSWER-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 - ANSWER-b) dialysis disequilibrium
syndrome
, 13.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 - ANSWER-c) low hematocrit
14.The movement of water from an area of low solute concentration to
an area of high solute concentration is called:
a) diffusion
b) osmosis
c) ultrafiltration
d) dialysis - ANSWER-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 - ANSWER-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 - ANSWER-c) 4.0 liters or 4000 ml
17.A hematocrit test indicates which of the following?
a) concentration of platelets
b) concentration of creatinine in the blood
Exam Practice Latest Update 2025
Questions and Correct Answers Rated A+
1.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 - ANSWER-c) universal precautions
2 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 - ANSWER-b) needs further rinsing
3.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 - ANSWER-a) creatinine, BUN,
& phosphorus are elevated
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
c) dialyzing fluid delivery system
d) infusion pump - ANSWER-a) vascular access
5.Which of the following is correct regarding a fistula?
a) usually created in the leg, near the ankle
b) usually created in the forearm, near the wrist
c) are made of salastic tubing
d) none of the above - ANSWER-b) usually created in the
forearm, near the wrist
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 - ANSWER-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 - ANSWER-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 - ANSWER-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 disease
d) glomerulonephritis - ANSWER-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 - ANSWER-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) - ANSWER-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 - ANSWER-b) dialysis disequilibrium
syndrome
, 13.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 - ANSWER-c) low hematocrit
14.The movement of water from an area of low solute concentration to
an area of high solute concentration is called:
a) diffusion
b) osmosis
c) ultrafiltration
d) dialysis - ANSWER-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 - ANSWER-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 - ANSWER-c) 4.0 liters or 4000 ml
17.A hematocrit test indicates which of the following?
a) concentration of platelets
b) concentration of creatinine in the blood
