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CCHT Exam Practice Test Questions And
Answers A+ Verified
1. 1.Which of the following
best describes the reason for wearing gloves when handling machine prior to blood?
a) patient comfort
b) asepsis
c) universal precautions
d) HIV: c) universal precautions
2. 2 You test for sterilant levels in a
hemodialysis machine prior to patient use. The test is positive for sterilant. This means the machine:
a) is sterile & bacteria free
b) needs further rinsing
c) needs more sterilant
d) is in conductivity: b) needs further rinsing
3. 3.Choose the correct
statement regarding serum abnormalities in renal failure:
a) creatinine, BUN, &
phosphorus are elevated
b) creatinine BUN creatinine, BUN, &
phosphorus are depressed
c) calcium & bicarbonate are
elevated
d) calcium & bicarbonate are
depressed: a) creatinine, BUN, & phosphorus are elevated
4. 4.Hemodialysis requires a
means to channel the patient's blood to the hemodialyzer & then back to the body. It's called:
a) vascular access
b) hemodialyzer
c) dialyzing fluid delivery system
d) infusion pump: a) vascular access
5. 5.Which of the following is correct regarding a fistula?
a) usually created in the leg, near the ankle
b) usually created in the
d) calcium, phosphorus &
magnesium: a) calcium, phosphorus & PTH
9. 9.Which is the most common cause of chronic kidney failure in the US?
a) diabetes
b) hypertension
c) polycystic kidney smaller molecular
disease
d) glomerulonephritis: a) diabetes
10. 10.The reason potassium dialyzes and
RBC's do not is:
a) potassium has a larger molecular weight
b) potassium has a smaller molecular weight
c) RBC's are not water soluble
d) RBC's have a negative charge: b) potassium has a smaller molecular weight
11. 11.Acceptable limits for total chlorines in water for hemodialysis are?
a) less than 0 .1mg/L (ppm)
b) 0.5 mg/L to 1 mg/L(ppm)
c) 3.5 mg/L to 5.5 mg/L to 5.5 mg/L(ppm)
d) greater than 6.0 mg/L(ppm): a) less than 0 .1mg/L (ppm)
12. 12.If a new patient starts with a very high
BUN, dialysis is purposely made less efficient to prevent:
a) rapid decrease in hct
b) dialysis disequilibrium syndrome
c) cardiac arrhythmia's
d) excessive coagulation: b) dialysis disequilibrium syndrome
13. 13.The following are factors in poor clearance during
dialysis except:
a) poor dialyzer reuse
b) access recirculation
c) low hematocrit
d) low blood flow rate: c) low hematocrit
14. 14.The movement of water from an area of low solute
concentration to an area of high solute concentration is called:
a) diffusion
b) osmosis
c) ultrafiltration
17. 17.A hematocrit test indicates which of the
following?
a) concentration of platelets
b) concentration of creatinine in the blood
c) concentration of red blood cells in the blood
d) concentration of white blood cells in the blood: c) concentration of red blood
cells in the blood
18. 18.What factors should be considered when
establishing a patient's dry weight?
a) blood pressure
b) patient well being
c) evidence of dehydration or fluid overload
d) all of the above: d) all of the above
19. 19.In a dialysis machine, the
proportioning system does what?
a) prepare the dialysate to the proper pH
b) warm the dialysate to the proper temperature
c) appropriately mix the dialysate concentrates
with water
d) to monitor the dialysate flow rate: c) appropriately mix the dialysate concen-
trates with water
20. 20.The complication in which blood has a
"cherry pop"appearance is:
a) blood leak
b) air embolism
c) hemolysis
d) none of the above: c) hemolysis
21. 21.The use of high a sodium dialysate may
predispose a patient to:
a) fluid overload
b) hypertension
c) thirst
d) all of the above: d) all of the above
22. 22.The capability of a dialyzer to remove fluid, expressed as ml/mmHg/hr
is:
a) UF Coefficient
b) clearance
c) pericarditis
d) bleeding: b) hemolysis
27. 27.Part of the reuse process involves the reuse machine testing the dialyz-er
to verify:
a) the dialyzer is free of sterilant
b) the dialyzer is free of bacteria
c) the dialyzer is free of endotoxins
d) the dialyzer fibers are free of leaks: d) the dialyzer fibers are free of leaks
28. 28.According to AAMI RD52, what is the
maximum allowable level of bacteria in dialysate?
a) 1,000 CFU's
b) 50 CFU's
c) 200 CFU's
d) 500 CFU's: c) 200 CFU's
29. 29.According to AAMI RD52, how often
should bacterial cultures be sampled?
a) weekly
b) monthly
c) quarterly
d) annually: b) monthly
30. 30.According to AAMI RD52, what is the action level for bacteria in
dialysate?
a) 50 CFU's
b) 75 CFU's
c) 100 CFU's
d) 200 CFU's: a) 50 CFU's
31. 31.Bacterial exposure from water may cause which of the following symp-
toms?
a) hemolysis
b) fever/chills
c) bone disease
d) hypotension: b) fever/chills
32. 32.Who developed the first permanent blood access, the "Shunt"?
a) Scribner and Quinton
b) Kolff
c) Brescia and Cimino
d) Turner: a) Scribner and Quinton
33. 33.Venous pressure meters are calibrated in:
a) PSI
c) pH and conductivity
d) temperature and transmembrane pressure: c) pH and conductivity
36. 36.Prior to each patient shift, it would be essential to
perform a water quality check for which of these substances?
a) calcium and magnesium
b) chlorine and chloramine
c) organic contaminants
d) inorganic contaminants: b) chlorine and chloramine
37. 37.The term pH is a measurement of the
concentration of:
a) all ions in solution
b) hydrogen ions
c) bicarbonate ions
d) acetate ions: b) hydrogen ions
38. 38.The technician's role in patient teaching
should be to:
a) assess the patient"s barriers to learning
b) check the patient's readiness to learn new
information
c) determine the patient's learning needs
d) Reinforce teaching that the patient has received
from other team members: c) determine the patient's learning needs
39. 39.What can dialysis staff do to reduce the
risk of being infected with a blood borne pathogen?
a) proper hand washing
b) universal precautions
c) proper sharps disposal
d) all of the above: d) all of the above
40. 40.Which of the following are ways to
handle chemicals safely?
a) wash hands before eating or drinking
b) wear protective clothing
c) don't eat or drink in the work area
d) all of the above: d) all of the above
41. 41.What is the correct angle in which to cannulate a fistula?
a) 10-15 degrees
b) 25-35 degrees
c) 35-45 degrees
d) it dosen't matter: b) 25-35 degrees
b) Centers for Disease Control & Prevention (CDC)
c) Association for the Advancement of Medical Instrumentation (AAMI)
d) State Department of Health (DOH): a) Material Safety Data Sheet (MSDS)
46. 46. A conductivity alarm sounds during a
hemodialysis treatment. The technician should expect which of these events to have occurred?
a) the blood pump has stopped
b) the dialysate flow rate has increased
c) the electrical power source was interrupted
d) the dialyzer was bypassed: d) the dialyzer was bypassed
47. 47. During routine water testing, the technician notes
that the chloramine level after the first carbon tank is 0.2mg/L. Which of these actions should the technician take next?
a) bypass the carbon tanks
b) descale the reverse osmosis membranes
c) obtain a sample after the second
d) immediately terminate hemodialysis treatments: c) obtain a sample after the
second
48. 48. A female technician has been caring for a male patient for several
months. The patient tells the technician that he is lonely and depressed. He asks the technician to go out to dinner with him. In addition to politely declining the patient's invitation, which of these actions, if any, should be taken:
a) refer the patient to the social worker
b) recommend an over-the-counter mood stimulant, such as St. John's wort
c) share the patient's need for socialization with other patients
d) no further action is needed: a) refer the patient to the social worker
49. 49. A hemodialysis technician suspects that a patient who is receiving a
hemodialysistreatment has an air embolus. After stopping the blood pump, the patient should be placed in which of these positions?
a) low-fowlers
b) high-fowlers
c) right-sided trendelenberg
d) left-sided trendelenberg: d) left-sided trendelenberg
50. 50. During hemodialysis a patient goes into
cardiac arrest. Which of these actions shouldbe taken first?
a) apply a precordial thump to the patient
