Page 1 of 23
CERTIFIED HEMODIALYSIS TECHNICIAN 2025/2026
EXAM CURRENTLY TESTING QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED) FOR
GUARANTEED PASS/TOP-RATED A+.
CHT
Ace your Certified Hemodialysis Technician (CHT) exam with
this definitive guide, designed to master dialysis procedures,
machine monitoring, and patient safety protocols. This resource
delivers scenario-based practice questions covering infection
control, fluid management, and emergency interventions.
What foods are high in potassium? ...... ANSWER .......
Bananas
Oranges
Milk
Potatoes
Plums (prunes)
tomatoes
What lab values are monitored for assessing bone disease?
...... ANSWER ....... Calcium,
Phosphorus,
PTH
, Page 2 of 23
What is the most common cause of chronic kidney failure in
the US? ...... ANSWER ....... Diabetes
What is the reason potassium dialyzes and RBC's do not?
...... ANSWER ....... Potassium has a smaller molecular
weight
What is an acceptable limit for chlorine's in water? ......
ANSWER ....... Less than 0.1mg/L (ppm)
If a new patient starts with a very high BUN, dialysis is
purposely made less efficient to prevent what? ......
ANSWER ....... Dialysis Disequilibrium Syndrome
What causes poor clearance during dialysis? ...... ANSWER
....... Low blood flow rate,
Access recirculation,
Poor dialyzer reuse
What is the movement of water from an area of low solute
concentration to an area of high solute concentration? ......
ANSWER ....... Osmosis
, Page 3 of 23
What is a potting compound, casing, fibers, and headers
from? ...... ANSWER ....... A dialyzer
What does a hematocrit test in indicate? ...... ANSWER
....... Concentration of red blood cells in the blood
In a dialysis machine, the proportioning system does what?
...... ANSWER ....... Appropriately mixes the dialysate
concentrates with water
What is the best reason to wear gloves when handling
machine's prior to blood? ...... ANSWER ....... Universal
Precaustions
You test for sterilant levels in a hemodialysis machines prior
to patient use. The test is positive for sterilant. The
machines needs to do what? ...... ANSWER ....... Needs
to go through another rinse
What are serum abnormalities in renal failure? ......
ANSWER ....... When creatinine, BUN, Phosphorus are
elevated
CERTIFIED HEMODIALYSIS TECHNICIAN 2025/2026
EXAM CURRENTLY TESTING QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED) FOR
GUARANTEED PASS/TOP-RATED A+.
CHT
Ace your Certified Hemodialysis Technician (CHT) exam with
this definitive guide, designed to master dialysis procedures,
machine monitoring, and patient safety protocols. This resource
delivers scenario-based practice questions covering infection
control, fluid management, and emergency interventions.
What foods are high in potassium? ...... ANSWER .......
Bananas
Oranges
Milk
Potatoes
Plums (prunes)
tomatoes
What lab values are monitored for assessing bone disease?
...... ANSWER ....... Calcium,
Phosphorus,
PTH
, Page 2 of 23
What is the most common cause of chronic kidney failure in
the US? ...... ANSWER ....... Diabetes
What is the reason potassium dialyzes and RBC's do not?
...... ANSWER ....... Potassium has a smaller molecular
weight
What is an acceptable limit for chlorine's in water? ......
ANSWER ....... Less than 0.1mg/L (ppm)
If a new patient starts with a very high BUN, dialysis is
purposely made less efficient to prevent what? ......
ANSWER ....... Dialysis Disequilibrium Syndrome
What causes poor clearance during dialysis? ...... ANSWER
....... Low blood flow rate,
Access recirculation,
Poor dialyzer reuse
What is the movement of water from an area of low solute
concentration to an area of high solute concentration? ......
ANSWER ....... Osmosis
, Page 3 of 23
What is a potting compound, casing, fibers, and headers
from? ...... ANSWER ....... A dialyzer
What does a hematocrit test in indicate? ...... ANSWER
....... Concentration of red blood cells in the blood
In a dialysis machine, the proportioning system does what?
...... ANSWER ....... Appropriately mixes the dialysate
concentrates with water
What is the best reason to wear gloves when handling
machine's prior to blood? ...... ANSWER ....... Universal
Precaustions
You test for sterilant levels in a hemodialysis machines prior
to patient use. The test is positive for sterilant. The
machines needs to do what? ...... ANSWER ....... Needs
to go through another rinse
What are serum abnormalities in renal failure? ......
ANSWER ....... When creatinine, BUN, Phosphorus are
elevated
