CCHT practice questions and answers updated
2026
which of the following terms indicates a solution that has the same concentration of solutes as blood? -
Answer✓ isotonic
a patient's potassium levels has been running high between dialysis treatment, so the patient has been
working with the renal dietician to restrict potassium in the diet. which of the following fruits should the
patient avoid? - Answer✓ bananas
during osmosis, which of the following movements takes place? - Answer✓ fluid moves from an area of
lower concentration to higher.
a patient's granddaughter calls the dialysis center and asks for a progress report on her father, who is a
patient in the center. the technician should. - Answer✓ state that patient information cannot be divulged
if a hematoma forms at the access site where a needle infiltrated, the usual intervention is to apply -
Answer✓ cold compresses
which of the following actions by a patient increases the risk of blood clots in a venous access? - Answer✓
wearing a top with very tight- fitting long sleeves
a patient is very anxious during an initial hemodialysis treatment and requires extra attention. when the
treatment is completed, the patient offers a $20 tip. the technician should - Answer✓ politely decline the tip
which of the following statements by a hemodialysis patient suggests that the patient needs more
education? - Answer✓ i should stay on a low protein diet.
the inner part of the kidney is the - Answer✓ medulla
a nephron is comprised of a glomerulus and a - Answer✓ tubule
how much urine does a patient with healthy kidneys usually excrete in 24 hours? - Answer✓ 1000 to
2000mL
,when removing soiled gloves, the first glove removed should be. - Answer✓ grasped in the opposite gloved
hand
which of the following hormones is produced by the kidneys? - Answer✓ erythropoietin
at which stages of chronic kidney disease should a patient being dialysis? - Answer✓ 5
which of the following is a genetic disorder that can lead to kidney failure? - Answer✓ polycystic kidney
disease
which of the following complains by a patient may be an indication of uremia? - Answer✓ itching
a patient with a right-sided radiocephalic A fistula (above the wrist) needs to have blood test in the lab for a
number of different lab test. the blood should be drawn from the - Answer✓ left hand
when setting up hemodialysis equipment, the four thing that need to be checked are [ 1 ] dialysate, [ 2]
extracorporeal circuit, [ 3] dialyzer and, [ 4] - Answer✓ machine alarm
generally, the optimal dialysate flow rate for hemodialysis should be - Answer✓ 1.5 to 2 times the blood
flow rate
a patient is receiving hemodialysis with a dialyzer with an ultrafiltration coefficient [ kuf ] of 10 and a
transmembrane pressure [TMP] of 100 mm hg. how much fluid should the patient lose per hour of treatment
- Answer✓ 1000 mL
under what circumstances can needle be reused for hemodialysis? - Answer✓ under no circumstances
if a emergency ( such as a tornado ) occurs and patients need to be evacuated, which group of patient should
be disconnected from dialysis machine first? - Answer✓ patients able to ambulate independently
for patients on hemodialysis a, 1 kg (2.2 lb.) increased in weight in 24 hours is approximately equivalent to
fluid retention of - Answer✓ 1.0 L.
a patient has been advised to avoid foods high in phosphorus. food that the patient should be advised to
limit include. - Answer✓ dairy products
, a patient is scheduled for serum creatinine test and asks the technician about preparation the day before
the test. the patient should be advised to. - Answer✓ avoid excessive exercise
which of the following ethnic group is most at risk for development of kidney failure? - Answer✓ african
american
a patient has buttonhole tracts for access. after the access is cleaned and prepped for treatment, what is the
next step? - Answer✓ use a crab picker/ aseptic tweezer to remove the scabs
with buttonhole tracts, the technician should apply pressure as the needle are removed and then for -
Answer✓ 5 to 10 minutes
if a buttonhole access frequently has long clots that are very difficult to remove, the most likely reason is -
Answer✓ failure to use 2-finger hold for needle removal
a patient who had an AV fistula in the forearm developed an aneurysm and has had to have a new AV
fistula created in the upper arm. the patient has a temporary catheter in place for dialysis until the fistula
has matured. which of the following exercise may help strengthen the AV fistula? - Answer✓ bicep curl
with buttonhole access sites, what should the technician do to prevent '' hubbing " ? - Answer✓ leave 1/16
th to 1/8 inch of the needle exposed
if a patient has a dialyzer clearance rate of 250 mL/ min with 4- hour treatment, the total volume of blood
cleared is - Answer✓ 60 L.
what is the most important factor in preventing exsanguination from dialysis line separation? - Answer✓
access site visible
if a patient states that she has been skipping lunch because she is too tired to eat after dialysis, the best
solution is to. - Answer✓ report to the nurse and renal dietician
if a patient exhibits signs and symptoms of hemolysis during dialysis, the immediate action should be to -
Answer✓ stops the blood pump and clamp the blood lines
the amount of dialysis that a hemodialysis patient is prescribed is based on the removal of - Answer✓ urea
2026
which of the following terms indicates a solution that has the same concentration of solutes as blood? -
Answer✓ isotonic
a patient's potassium levels has been running high between dialysis treatment, so the patient has been
working with the renal dietician to restrict potassium in the diet. which of the following fruits should the
patient avoid? - Answer✓ bananas
during osmosis, which of the following movements takes place? - Answer✓ fluid moves from an area of
lower concentration to higher.
a patient's granddaughter calls the dialysis center and asks for a progress report on her father, who is a
patient in the center. the technician should. - Answer✓ state that patient information cannot be divulged
if a hematoma forms at the access site where a needle infiltrated, the usual intervention is to apply -
Answer✓ cold compresses
which of the following actions by a patient increases the risk of blood clots in a venous access? - Answer✓
wearing a top with very tight- fitting long sleeves
a patient is very anxious during an initial hemodialysis treatment and requires extra attention. when the
treatment is completed, the patient offers a $20 tip. the technician should - Answer✓ politely decline the tip
which of the following statements by a hemodialysis patient suggests that the patient needs more
education? - Answer✓ i should stay on a low protein diet.
the inner part of the kidney is the - Answer✓ medulla
a nephron is comprised of a glomerulus and a - Answer✓ tubule
how much urine does a patient with healthy kidneys usually excrete in 24 hours? - Answer✓ 1000 to
2000mL
,when removing soiled gloves, the first glove removed should be. - Answer✓ grasped in the opposite gloved
hand
which of the following hormones is produced by the kidneys? - Answer✓ erythropoietin
at which stages of chronic kidney disease should a patient being dialysis? - Answer✓ 5
which of the following is a genetic disorder that can lead to kidney failure? - Answer✓ polycystic kidney
disease
which of the following complains by a patient may be an indication of uremia? - Answer✓ itching
a patient with a right-sided radiocephalic A fistula (above the wrist) needs to have blood test in the lab for a
number of different lab test. the blood should be drawn from the - Answer✓ left hand
when setting up hemodialysis equipment, the four thing that need to be checked are [ 1 ] dialysate, [ 2]
extracorporeal circuit, [ 3] dialyzer and, [ 4] - Answer✓ machine alarm
generally, the optimal dialysate flow rate for hemodialysis should be - Answer✓ 1.5 to 2 times the blood
flow rate
a patient is receiving hemodialysis with a dialyzer with an ultrafiltration coefficient [ kuf ] of 10 and a
transmembrane pressure [TMP] of 100 mm hg. how much fluid should the patient lose per hour of treatment
- Answer✓ 1000 mL
under what circumstances can needle be reused for hemodialysis? - Answer✓ under no circumstances
if a emergency ( such as a tornado ) occurs and patients need to be evacuated, which group of patient should
be disconnected from dialysis machine first? - Answer✓ patients able to ambulate independently
for patients on hemodialysis a, 1 kg (2.2 lb.) increased in weight in 24 hours is approximately equivalent to
fluid retention of - Answer✓ 1.0 L.
a patient has been advised to avoid foods high in phosphorus. food that the patient should be advised to
limit include. - Answer✓ dairy products
, a patient is scheduled for serum creatinine test and asks the technician about preparation the day before
the test. the patient should be advised to. - Answer✓ avoid excessive exercise
which of the following ethnic group is most at risk for development of kidney failure? - Answer✓ african
american
a patient has buttonhole tracts for access. after the access is cleaned and prepped for treatment, what is the
next step? - Answer✓ use a crab picker/ aseptic tweezer to remove the scabs
with buttonhole tracts, the technician should apply pressure as the needle are removed and then for -
Answer✓ 5 to 10 minutes
if a buttonhole access frequently has long clots that are very difficult to remove, the most likely reason is -
Answer✓ failure to use 2-finger hold for needle removal
a patient who had an AV fistula in the forearm developed an aneurysm and has had to have a new AV
fistula created in the upper arm. the patient has a temporary catheter in place for dialysis until the fistula
has matured. which of the following exercise may help strengthen the AV fistula? - Answer✓ bicep curl
with buttonhole access sites, what should the technician do to prevent '' hubbing " ? - Answer✓ leave 1/16
th to 1/8 inch of the needle exposed
if a patient has a dialyzer clearance rate of 250 mL/ min with 4- hour treatment, the total volume of blood
cleared is - Answer✓ 60 L.
what is the most important factor in preventing exsanguination from dialysis line separation? - Answer✓
access site visible
if a patient states that she has been skipping lunch because she is too tired to eat after dialysis, the best
solution is to. - Answer✓ report to the nurse and renal dietician
if a patient exhibits signs and symptoms of hemolysis during dialysis, the immediate action should be to -
Answer✓ stops the blood pump and clamp the blood lines
the amount of dialysis that a hemodialysis patient is prescribed is based on the removal of - Answer✓ urea
