CCHT Practice exam NNCC Version 1
UPDATED ACTUAL Exam Questions and
CORRECT Answers
A substance that is cleared from the body by healthy kidneys is - CORRECT ANSWER -
creatinine.
The patient tells the technician, "The doctor told me I'm anemic. What does that mean?" Which
of these responses by the technician would be correct? - CORRECT ANSWER - "You
don't have enough red blood cells to carry oxygen."
According to the standards of the Association for the Advancement of Medical Instrumentation
(AAMI), pre-treatment water should be checked for chloramine at which of these times? -
CORRECT ANSWER - Before each patient shift.
Which of the following types of vascular access has the lowest incidence of infection? -
CORRECT ANSWER - Arteriovenous (AV) fistula.
During a patient's dialysis treatment, the dialysis machine's blood leak detector alarm sounds.
The technician should take which of these actions first? - CORRECT ANSWER - Confirm
the blood leak.
While performing the end-of-day water hardness check, the technician notes that the hardness
exceeds the allowable limit. In addition to notifying the equipment technician, the technician
should check which component of the water system? - CORRECT ANSWER - Salt level
in the brine tank.
The technician observes that a patient's dialysate lines were incorrectly placed on the dialyzer.
The technician corrects the line placement. The principle underlying the technician's action is
that clearance is maximized by - CORRECT ANSWER - countercurrent flow.
, Venous pressure is a result of resistance created by the - CORRECT ANSWER - blood
returning to the patient.
A patient who is receiving an initial hemodialysis treatment on a non-reusable dialyzer should be
observed for signs of - CORRECT ANSWER - first-use syndrome.
Holding needle puncture sites instead of using spring-loaded fistula clamps is recommended to
avoid access - CORRECT ANSWER - thrombosis.
A patient who has an arteriovenous (AV) fistula receives a bolus dose of heparin at the beginning
of a hemodialysis treatment and a continuous heparin infusion during the treatment. The patient's
heparin administration should be terminated 30-60 minutes before the end of the treatment in
order to - CORRECT ANSWER - prevent prolonged bleeding.
During a dialysis treatment, a patient suddenly develops fever and chills. The initial action that
should be taken is to determine - CORRECT ANSWER - whether other patients are
having similar symptoms.
A patient who recently had an arteriovenous (AV) fistula placed in the left forearm is
experiencing numbness and tingling of the left hand. The patient's left hand is cold and the
fingernail beds are blue. The patient most likely has which of these syndromes? - CORRECT
ANSWER - Steal.
One purpose of priming the bloodlines and extracorporeal circuit pre-dialysis is to - CORRECT
ANSWER - remove disinfectant.
A new technician is being oriented to the water treatment system. The equipment technician
explains that the purpose of the ultraviolet (UV) light is to - CORRECT ANSWER -
change the DNA of microbes so they die or cannot multiply.
Which of the following actions can the dialysis technician take to help minimize anemia? -
CORRECT ANSWER - Adequately rinse back as much of the patient's blood as possible
at each treatment.
UPDATED ACTUAL Exam Questions and
CORRECT Answers
A substance that is cleared from the body by healthy kidneys is - CORRECT ANSWER -
creatinine.
The patient tells the technician, "The doctor told me I'm anemic. What does that mean?" Which
of these responses by the technician would be correct? - CORRECT ANSWER - "You
don't have enough red blood cells to carry oxygen."
According to the standards of the Association for the Advancement of Medical Instrumentation
(AAMI), pre-treatment water should be checked for chloramine at which of these times? -
CORRECT ANSWER - Before each patient shift.
Which of the following types of vascular access has the lowest incidence of infection? -
CORRECT ANSWER - Arteriovenous (AV) fistula.
During a patient's dialysis treatment, the dialysis machine's blood leak detector alarm sounds.
The technician should take which of these actions first? - CORRECT ANSWER - Confirm
the blood leak.
While performing the end-of-day water hardness check, the technician notes that the hardness
exceeds the allowable limit. In addition to notifying the equipment technician, the technician
should check which component of the water system? - CORRECT ANSWER - Salt level
in the brine tank.
The technician observes that a patient's dialysate lines were incorrectly placed on the dialyzer.
The technician corrects the line placement. The principle underlying the technician's action is
that clearance is maximized by - CORRECT ANSWER - countercurrent flow.
, Venous pressure is a result of resistance created by the - CORRECT ANSWER - blood
returning to the patient.
A patient who is receiving an initial hemodialysis treatment on a non-reusable dialyzer should be
observed for signs of - CORRECT ANSWER - first-use syndrome.
Holding needle puncture sites instead of using spring-loaded fistula clamps is recommended to
avoid access - CORRECT ANSWER - thrombosis.
A patient who has an arteriovenous (AV) fistula receives a bolus dose of heparin at the beginning
of a hemodialysis treatment and a continuous heparin infusion during the treatment. The patient's
heparin administration should be terminated 30-60 minutes before the end of the treatment in
order to - CORRECT ANSWER - prevent prolonged bleeding.
During a dialysis treatment, a patient suddenly develops fever and chills. The initial action that
should be taken is to determine - CORRECT ANSWER - whether other patients are
having similar symptoms.
A patient who recently had an arteriovenous (AV) fistula placed in the left forearm is
experiencing numbness and tingling of the left hand. The patient's left hand is cold and the
fingernail beds are blue. The patient most likely has which of these syndromes? - CORRECT
ANSWER - Steal.
One purpose of priming the bloodlines and extracorporeal circuit pre-dialysis is to - CORRECT
ANSWER - remove disinfectant.
A new technician is being oriented to the water treatment system. The equipment technician
explains that the purpose of the ultraviolet (UV) light is to - CORRECT ANSWER -
change the DNA of microbes so they die or cannot multiply.
Which of the following actions can the dialysis technician take to help minimize anemia? -
CORRECT ANSWER - Adequately rinse back as much of the patient's blood as possible
at each treatment.
