Certified Hemodialysis Technician Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
What foods are high in potassium? - CORRECT ANSWER Bananas
Oranges
Milk
Potatoes
Plums (prunes)
tomatoes
What lab values are monitored for assessing bone disease? - CORRECT
ANSWER Calcium,
Phosphorus,
PTH
What is the most common cause of chronic kidney failure in the US? - CORRECT
ANSWER Diabetes
What is the reason potassium dialyzes and RBC's do not? - CORRECT
ANSWER Potassium has a smaller molecular weight
What is an acceptable limit for chlorine's in water? - CORRECT 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? - CORRECT ANSWER Dialysis Disequilibrium Syndrome
What causes poor clearance during dialysis? - CORRECT 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? - CORRECT ANSWER Osmosis
What is a potting compound, casing, fibers, and headers from? - CORRECT
ANSWER A dialyzer
What does a hematocrit test in indicate? - CORRECT ANSWER Concentration of red
blood cells in the blood
In a dialysis machine, the proportioning system does what? - CORRECT
ANSWER Appropriately mixes the dialysate concentrates with water
What is the best reason to wear gloves when handling machine's prior to blood? - CORRECT
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? - CORRECT ANSWER Needs
to go through another rinse
What are serum abnormalities in renal failure? - CORRECT ANSWER When
creatinine, BUN, Phosphorus are elevated
Hemodialysis requires a means to channel the patient's blood to the hemodialyzer and then
back to the body, what is this called? - CORRECT ANSWER Vascular Access
Where is a fistula usually placed? - CORRECT ANSWER Forearm, near the wrist
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
What foods are high in potassium? - CORRECT ANSWER Bananas
Oranges
Milk
Potatoes
Plums (prunes)
tomatoes
What lab values are monitored for assessing bone disease? - CORRECT
ANSWER Calcium,
Phosphorus,
PTH
What is the most common cause of chronic kidney failure in the US? - CORRECT
ANSWER Diabetes
What is the reason potassium dialyzes and RBC's do not? - CORRECT
ANSWER Potassium has a smaller molecular weight
What is an acceptable limit for chlorine's in water? - CORRECT 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? - CORRECT ANSWER Dialysis Disequilibrium Syndrome
What causes poor clearance during dialysis? - CORRECT 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? - CORRECT ANSWER Osmosis
What is a potting compound, casing, fibers, and headers from? - CORRECT
ANSWER A dialyzer
What does a hematocrit test in indicate? - CORRECT ANSWER Concentration of red
blood cells in the blood
In a dialysis machine, the proportioning system does what? - CORRECT
ANSWER Appropriately mixes the dialysate concentrates with water
What is the best reason to wear gloves when handling machine's prior to blood? - CORRECT
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? - CORRECT ANSWER Needs
to go through another rinse
What are serum abnormalities in renal failure? - CORRECT ANSWER When
creatinine, BUN, Phosphorus are elevated
Hemodialysis requires a means to channel the patient's blood to the hemodialyzer and then
back to the body, what is this called? - CORRECT ANSWER Vascular Access
Where is a fistula usually placed? - CORRECT ANSWER Forearm, near the wrist
