Certified Clinical Hemodialysis Technician
CCHT EXAM 2024-2025 ACTUAL EXAM
QUESTIONS AND DETAILED CORRECT
ANSWERS
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 system to work properly, the
water temperature must be maintained at Correct Answer
77' F to 82'F ( 25' C to 28'C )
when testing the chlorine levels in the water system, the
water sample should be taken from the. Correct Answer
first carbon tank
when considering the chain of infection, the three most
common reservoirs of interest include humans,
environment and Correct Answer animals
a solution is a mixture of Correct Answer solute and
solvent
when reinforcing education about weight gain, a patient
should be advised that the usual goal for interdialytic
weight gain is less than Correct Answer 1.0 kg/d
if a high-pressure alarm for arterial pressure (pre-pum )
sounds during hemodialysis, this could indicate. Correct
Answer drop in speed of blood pump
, if a low- pressure alarm for venous sounds during
hemodialysis, this could indicate. Correct Answer clotting
in the access
according to KDOQI guidelines, when administering
hemodialysis to a patient a, facemark should be worn
Correct Answer for all access connection
the most common complication associated with poor
needle site rotation in a graft is Correct Answer
pseudoaneurysm
in hemodialysis, ultrafiltration refers to extraction of
Correct Answer fluid
the patient has develop a small aneurysm and asks the
technician to cannulate the aneurysm for the hemodialysis
treatment because another patient told this patient that it
would be less painful that cannulation of the fistula. the
best response is to Correct Answer advise the patient that
cannulating an aneurysm may result i rupture.
a patient experience a cardiac arrest with no pulse or
respiration during hemodialysis. after the technician calls
for help, the next action should be to Correct Answer stop
dialysis, return blood, and flush access lines with normal
saline.
when auscultating a patient's AV fistula to listen for the
bruit, if the technician notes that the bruit is very high
pitched, this may indicate Correct Answer stenosis
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