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CCHT PRACTICE EXAM NNCC VERSION 1.
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CCHT PRACTICE EXAM NNCC VERSION 1.
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CCHT PRACTICE EXAM NNCC VERSION 1.A substance that is cleared from the body by healthy kidneys is - Answers -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? - Answers -"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? - Answers -Before each patient shift.
Which of the following types of vascular access has the lowest incidence of infection? -
Answers -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? - Answers -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? - Answers -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 - Answers -countercurrent flow.
Venous pressure is a result of resistance created by the - Answers -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 - Answers -first-use syndrome.
Holding needle puncture sites instead of using spring-loaded fistula clamps is
recommended to avoid access - Answers -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 - Answers -prevent prolonged bleeding.
During a dialysis treatment, a patient suddenly develops fever and chills. The initial
action that should be taken is to determine - Answers -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? -
Answers -Steal.
One purpose of priming the bloodlines and extracorporeal circuit pre-dialysis is to -
Answers -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 - Answers -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?
- Answers -Adequately rinse back as much of the patient's blood as possible at each
treatment.
CASE: Manuel Rivera, 75 years old, has a hemodialysis catheter and a newly placed
right forearm artriovenous (AV) fistula. He arrives at the dialysis facility complaining of
pain and swelling of his right arm.
For pain management, Mr. Rivera is taking narcotic pain pills as prescribed by his
doctor. The dialysis technician knows that taking this medication puts Mr. Rivera at
increased risk for - Answers -falls.
CASE:Manuel Rivera, 75 years old, has a hemodialysis catheter and a newly placed
right forearm artriovenous (AV) fistula. He arrives at the dialysis facility complaining of
pain and swelling of his right arm.
What is a DISADVANTAGE of an arteriovenous fistula as a hemodialysis access
compared to other types of access? - Answers -Time required to mature.
CASE: Manuel Rivera, 75 years old, has a hemodialysis catheter and a newly placed
right forearm artriovenous (AV) fistula. He arrives at the dialysis facility complaining of
pain and swelling of his right arm.
Mr. Rivera's pre-dialysis weight is 157.6 lb (71.5 kg) and the prescribed target weight is
150.3 lb (68.3 kg). The treatment time is four hours. Excluding prime and rinseback, Mr.
Rivera's hourly ultrafiltration rate should be how many mL per hour? - Answers -800
The following method should be used to calculate the ultrafiltration rate per hour of
treatment:
71.5 kg predialysis weight
- 68.3 kg target weight
3.2 kg to be removed over four hours
1 kg = 1,000 mL
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