CCHT practice exam| 300 questions| with complete solutions
which of the following terms indicates a solution that has the same concentration of solutes as
blood? Correct 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? Correct Answer: bananas
during osmosis, which of the following movements takes place? Correct 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. Correct 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 Correct Answer: cold compresses
which of the following actions by a patient increases the risk of blood clots in a venous access?
Correct 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 Correct
Answer: politely decline the tip
which of the following statements by a hemodialysis patient suggests that the patient needs more
education? Correct Answer: i should stay on a low protein diet.
the inner part of the kidney is the Correct Answer: medulla
a nephron is comprised of a glomerulus and a Correct Answer: tubule
how much urine does a patient with healthy kidneys usually excrete in 24 hours? Correct
Answer: 1000 to 2000mL
when removing soiled gloves, the first glove removed should be. Correct Answer: grasped in the
opposite gloved hand
which of the following hormones is produced by the kidneys? Correct Answer: erythropoietin
at which stages of chronic kidney disease should a patient being dialysis? Correct Answer: 5
which of the following is a genetic disorder that can lead to kidney failure? Correct Answer:
polycystic kidney disease
,which of the following complains by a patient may be an indication of uremia? Correct 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 Correct 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] Correct Answer: machine alarm
generally, the optimal dialysate flow rate for hemodialysis should be Correct 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 Correct Answer: 1000 mL
under what circumstances can needle be reused for hemodialysis? Correct 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? Correct 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 Correct 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. Correct 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. Correct Answer: avoid excessive exercise
which of the following ethnic group is most at risk for development of kidney failure? Correct
Answer: african american
a patient has buttonhole tracts for access. after the access is cleaned and prepped for treatment,
what is the next step? Correct 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 Correct Answer: 5 to 10 minutes
if a buttonhole access frequently has long clots that are very difficult to remove, the most likely
reason is Correct 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? Correct Answer: bicep curl
with buttonhole access sites, what should the technician do to prevent '' hubbing " ? Correct
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 Correct Answer: 60 L.
what is the most important factor in preventing exsanguination from dialysis line separation?
Correct 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. Correct 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 Correct 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
Correct Answer: urea
maturation of a prosthetic arteriovenous graft usually takes Correct Answer: 3 to 6 weeks
the purpose of the negative germicide test is to ensure that Correct Answer: the reprocessed
dialyzer is free of germicides
if a patient develops angina (chest pain) radiating to the neck, jaw, and left arm and the patient's
blood pressure drops during treatment, the technician should notify the nurse and Correct
Answer: decreased blood flow rate and ultrafiltration
the technician is reinforcing a patient's training regarding management of fluid intake. the
patient, who still urinates, has a base of 1000 ml intake per day. if the patient urinates 500 ml in a
24-hour period , how much fluid is the patient allowed the following day? Correct Answer:
1500ml
the greatest risk of bacteremia (infection in the blood) is associated with which type of vascular
access? Correct Answer: dialysis catheter
the external surface of the hemodialysis machine should be cleaned and disinfected at least.
Correct Answer: after every patient
when checking the water temperature in the system, the technician records the temperature at 78
F (25.5 C). in order for the reverse osmosis (RO) equipment that is partof the water treatment
which of the following terms indicates a solution that has the same concentration of solutes as
blood? Correct 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? Correct Answer: bananas
during osmosis, which of the following movements takes place? Correct 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. Correct 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 Correct Answer: cold compresses
which of the following actions by a patient increases the risk of blood clots in a venous access?
Correct 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 Correct
Answer: politely decline the tip
which of the following statements by a hemodialysis patient suggests that the patient needs more
education? Correct Answer: i should stay on a low protein diet.
the inner part of the kidney is the Correct Answer: medulla
a nephron is comprised of a glomerulus and a Correct Answer: tubule
how much urine does a patient with healthy kidneys usually excrete in 24 hours? Correct
Answer: 1000 to 2000mL
when removing soiled gloves, the first glove removed should be. Correct Answer: grasped in the
opposite gloved hand
which of the following hormones is produced by the kidneys? Correct Answer: erythropoietin
at which stages of chronic kidney disease should a patient being dialysis? Correct Answer: 5
which of the following is a genetic disorder that can lead to kidney failure? Correct Answer:
polycystic kidney disease
,which of the following complains by a patient may be an indication of uremia? Correct 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 Correct 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] Correct Answer: machine alarm
generally, the optimal dialysate flow rate for hemodialysis should be Correct 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 Correct Answer: 1000 mL
under what circumstances can needle be reused for hemodialysis? Correct 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? Correct 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 Correct 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. Correct 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. Correct Answer: avoid excessive exercise
which of the following ethnic group is most at risk for development of kidney failure? Correct
Answer: african american
a patient has buttonhole tracts for access. after the access is cleaned and prepped for treatment,
what is the next step? Correct 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 Correct Answer: 5 to 10 minutes
if a buttonhole access frequently has long clots that are very difficult to remove, the most likely
reason is Correct 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? Correct Answer: bicep curl
with buttonhole access sites, what should the technician do to prevent '' hubbing " ? Correct
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 Correct Answer: 60 L.
what is the most important factor in preventing exsanguination from dialysis line separation?
Correct 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. Correct 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 Correct 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
Correct Answer: urea
maturation of a prosthetic arteriovenous graft usually takes Correct Answer: 3 to 6 weeks
the purpose of the negative germicide test is to ensure that Correct Answer: the reprocessed
dialyzer is free of germicides
if a patient develops angina (chest pain) radiating to the neck, jaw, and left arm and the patient's
blood pressure drops during treatment, the technician should notify the nurse and Correct
Answer: decreased blood flow rate and ultrafiltration
the technician is reinforcing a patient's training regarding management of fluid intake. the
patient, who still urinates, has a base of 1000 ml intake per day. if the patient urinates 500 ml in a
24-hour period , how much fluid is the patient allowed the following day? Correct Answer:
1500ml
the greatest risk of bacteremia (infection in the blood) is associated with which type of vascular
access? Correct Answer: dialysis catheter
the external surface of the hemodialysis machine should be cleaned and disinfected at least.
Correct Answer: after every patient
when checking the water temperature in the system, the technician records the temperature at 78
F (25.5 C). in order for the reverse osmosis (RO) equipment that is partof the water treatment
