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CCHT Practice Exam 238 Questions and Answers.
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CCHT Practice Exam 238 Questions and Answers.CCHT Practice Exam 238 Questions and Answers.CCHT Practice Exam 238 Questions and Answers.
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CCHT Practice Exam 238 Questions and Answers.AAMI Chemical Analysis of water used for hemodialysis is tested - ANS annually
A dialysis technician observes a drop of blood on the surface of a patient's hemodialysis
machine. Which of these actions should the dialysis technician take? - ANS Clean the
machine surface immediately
A dialysis technician observes all of the below on the treatment floor, which one poses
an environment risk? - ANS About one ounce (30 ml) fluid is on the floor
A fistula connects - ANS An artery to a vein
A marker used to determine the middle molecule clearance of a dialyzer is - ANS
Vitamin B12
A mixed- bed DI tank contains - ANS Cations and anions
A nephron is made up of - ANS A glomerulus and a tubule system
A patient complains of pain at the venous needle site. The dialysis technician observes
there is swelling distal to the venous needle site and that the venous pressure is rising.
The dialysis technician should suspect - ANS An infiltration
A patient who is to receive their first dialysis treatment is prone to? - ANS Dialysis
Disequilibrium Syndrome
A patient tells the technician that the dietician reviewed high potassium foods with her.
During the conversation she states she routinely eats the following foods. Which one is
highest in potassium? - ANS bananas
A reason why a dialysis technician is to be certified is - ANS It's a new Federal
regulation
A rise in transmembrane pressure in a low flux dialyzer during hemodialysis is indicative
of - ANS Clotting of extracorporeal circuit
A teammate asks you to document the normal saline he just gave to Mr. Smith. You
would: - ANS Never document something that someone else did
A true aneurysm can be dangerous because it - ANS May rupture and cause the patient
to bleed profusely
A patient's laboratory results indicate that the predialysis BUN level was lower than the
post dialysis BUN level. When interpreting these findings the technician should seek the
,answer to which of these questions? - ANS Was the predialysis sample drawn from the
venous port?
A rapid pulse of 104 beats/minute would indicate that the patient has: - ANS
Tachycardia
A patient's dry weight is 154.0 (70kg) and the patient's pre treatment weight is 158.4.
(72kg). For a four- hour treatment, how many mL/ hour must the patient lose to reach
dry weight? - ANS 500
AAMI standards for the total microbial count of dialysate shall not exceed: - ANS 200
CFU/mL
Acceptable interdialytic weight gains are - ANS 3-5% of EDW
According to AAMI the standard level for endotoxins levels is - ANS Less than two (2)
EU/mL
According to the new Conditions for Coverage, all dialysis technicians are to be certified
by a national certifying agency or state specific certification by: - ANS 4/15/2010
Albumin is an important test that tells about the patient's - ANS Nutritional
All of the following are phosphate binders except: - ANS Vitamin B12
All of the following may be signs and symptoms of an infected access except: - ANS
numbness and tingling
Asepsis is defined as - ANS The absence of disease producing organisms
Based on Mrs Smith's total amount of fluid to be removed, what is the ultrafiltration rate
per hour (mL/hr) for her 4 hour treatment? - ANS 1,385 mL/hr
Before a hemodialysis treatment, the technician removes the cap from the fistula needle
and accidentally touches the chair with the tip of the needle. Which of these actions
should the technician take first? - ANS Discard the needle
Dialysate that is too hot will cause - ANS Hemolysis
Dry weight is defined as the - ANS Weight at which the patient has no edema or fluid in
the lungs and BP is normal
During a hemodialysis treatment the technician responds to a low venous pressure
alarm. The most likely cause for this alarm is: - ANS Disconnection of the bloodline
Biohazardous waste includes any material exposed to: - ANS Blood
, Decreasing the patient's prescribed blood flow rate affects the rate of - ANS Diffusion
During a hemodialysis treatment, a patient's venous needle infiltrates. Which of these
actions should the dialysis technician take first? - ANS Stop the pump
Dialysate pH should be: - ANS Between 7.0 and 7.4
During hemodialysis, the air detector on Ms. Foster's machine alarms and foam is
visible in the venous drop chamber. The immediate action of the dialysis technician
should be to: - ANS Clamp the venous line
During predialysis data collection, it would be best for the technician to ask the patient
which of these questions? - ANS How have you been since your last dialysis treatment?
During the hemodialysis treatment, a patient complains of feeling chilled. In addition to
getting the patient a blanket, which of these actions should the technician take? - ANS
Take the patient's temperature
During the set up of a hemodialysis machine, the alarm test for conductivity fails. Which
of these actions should the dialysis technician take? - ANS Notify the equipment
technician
ESRD specific tests such as BUN, Creatinine, and URR are - ANS Indicators of the
adequacy of the renal replacement therapy
Excess fluid is forced out of the blood and into the dialysate during dialysis by which
principle - ANS Ultrafiltration
Feed conductivity- product conductivity divided by x 100 is the formula calculation of -
ANS Percent rejection
Fluid to be removed divided by the treatment time tells us - ANS The ultrafiltration rate
Germicide rebound occurs due to: - ANS Inadequate dialyzer priming
Hives, itching, tightness of the chest and respiratory distress may be signs and
symptoms of: - ANS Anaphylaxis (severe allergic reaction)
Hyperkalemia can lead to - ANS Cardiac arrest
If the extracorporeal circuit clots and it must be discarded, it would be most important to
monitor the patient's serum level of: - ANS Hemoglobin
In reuse, the blood path integrity is tested to - ANS Check dialyzer for total cell volume
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