question

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

answer

c) universal precautions

question

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

answer

b) needs further rinsing

question

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

answer

a) creatinine, BUN, & phosphorus are elevated

question

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

answer

a) vascular access

question

5.Which of the following is correct regarding a fistula? a) usually created in the leg, near the ankle b) usually created in the forearm, near the wrist c) are made of salastic tubing d) none of the above

answer

b) usually created in the forearm, near the wrist

question

6.Blood leak detectors are extremely sensitive & can determine: a) blood type b) amount of blood loss c) blood leakage immediately d) volume changes e) serum potassium levels

answer

c) blood leakage immediately

question

7.Which of the following foods are high in potassium? a) milk, ice cream, yogurt b) legumes, cheese, pizza c) chips, colas, canned meat d) bananas, tomatoes, oranges

answer

d) bananas, tomatoes, oranges

question

8.What lab values are monitored for assessing bone disease? a) calcium, phosphorus & PTH b) calcium, phosphorus & albumin c) calcium, phosphorus & potassium d) calcium, phosphorus & magnesium

answer

a) calcium, phosphorus & PTH

question

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

answer

a) diabetes

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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

answer

b) potassium has a smaller molecular weight

question

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)

answer

a) less than 0 .1mg/L (ppm)

question

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

answer

b) dialysis disequilibrium syndrome

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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

answer

c) low hematocrit

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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 d) dialysis

answer

b) osmosis

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15.Potting compound, casing, fibers and headers are part of a: a) dialysis machine b) water treatment system c) R. O. system d) dialyzer

answer

d) dialyzer

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16.Mr. Jones has a dry weight of 72 kg. He weighed 73 kg after last treatment. Today he weighs 75.5 kg. Assume prime and rinse back =500 ml total. What is Mr.Jones' fluid removal goal for today? a) 2.5 liters or 2500 ml b) 3.0 liters or 3000 ml c) 4.0 liters or 4000 ml d) 4.5 liters or 4500

answer

c) 4.0 liters or 4000 ml

question

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

answer

c) concentration of red blood cells in the blood

question

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

answer

d) all of the above

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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

answer

c) appropriately mix the dialysate concentrates with water

question

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

answer

c) hemolysis

question

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

answer

d) all of the above

question

22.The capability of a dialyzer to remove fluid, expressed as ml/mmHg/hr is: a) UF Coefficient b) clearance c) surface area d) priming volume

answer

a) UF Coefficient

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23.A pre-pump arterial pressure reading is measuring: a) the pressure required to pump the blood through the dialyzer b) resistance to blood flow out of the access c) pressure within the dialyzer d) none of the above

answer

b) resistance to blood flow out of the access through the dialyzer

question

24.What determines the surface area of a hollow fiber dialyzer? a) number of fibers b) internal diameter of fibers c) length of fibers d) all of the above

answer

d) all of the above

question

25.The purpose of using counter-current flow is to: a) increase the rate of fluid removal b) increase the rate of waste removal c) decrease the amount of dialysate used d) decrease the surface area of the membrane

answer

b) increase the rate of waste removal

question

26.Chloramine exposure in dialysis can result in: a) hypernatremia b) hemolysis c) pericarditis d) bleeding

answer

b) hemolysis

question

27.Part of the reuse process involves the reuse machine testing the dialyzer 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

answer

d) the dialyzer fibers are free of leaks

question

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

answer

c) 200 CFU's

question

29.According to AAMI RD52, how often should bacterial cultures be sampled? a) weekly b) monthly c) quarterly d) annually

answer

b) monthly

question

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

answer

a) 50 CFU's

question

31.Bacterial exposure from water may cause which of the following symptoms? a) hemolysis b) fever/chills c) bone disease d) hypotension

answer

b) fever/chills

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32.Who developed the first permanent blood access, the "Shunt"? a) Scribner and Quinton b) Kolff c) Brescia and Cimino d) Turner

answer

a) Scribner and Quinton

question

33.Venous pressure meters are calibrated in: a) PSI b) mm/Hg c) mL/hour d) mg%

answer

b) mm/Hg

question

34.TPM is measured as: a) mL/hr b) mm/Hg c) mL/min d) none of the above

answer

b) mm/Hg

question

35.The hemodialysis machine continuously monitors many parameters. Which of these parameters must be verified by an external measuring device? a) blood flow b) dialysate flow c) pH and conductivity d) temperature and transmembrane pressure

answer

c) pH and conductivity

question

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

answer

b) chlorine and chloramine

question

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

answer

b) hydrogen ions

question

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

answer

c) determine the patient's learning needs

question

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

answer

d) all of the above

question

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

answer

d) all of the above

question

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

answer

b) 25-35 degrees

question

42.Which of the following affects access recirculation? a) distance between the tips of the needles b) presence of stenosis c) direction of needles d) all of the above

answer

d) all of the above

question

43.The technician observes that the hardness reading after the water softener isabove the acceptable limit. The technician should check the softener tank's level of: a) salt b) chlorine c) carbon d) sand

answer

a) salt

question

44. A technician observes all of the following in the hemodialysis unit. Which one poses an environmental risk? a) the wheels of the hemodialysis machines are locked b) charts are lying on bedside tables c) about one ounce (30 ml) of fluid is on the floor d) a patient's family member is present during treatment

answer

c) about one ounce (30 ml) of fluid is on the floor

question

45. When preparing a bleach solution for cleaning equipment, the technician accidentally spills undiluted bleach on the floor. Which of these resources will provide the technician with information about how to properly handle spill of the chemical? a) Material Safety Data Sheet (MSDS) b) Centers for Disease Control & Prevention (CDC) c) Association for the Advancement of Medical Instrumentation (AAMI) d) State Department of Health (DOH)

answer

a) Material Safety Data Sheet (MSDS)

question

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

answer

d) the dialyzer was bypassed

question

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

answer

c) obtain a sample after the second

question

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

answer

a) refer the patient to the social worker

question

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

answer

d) left-sided trendelenberg

question

50. During hemodialysis a patient goes into cardiac arrest. Which of these actions shouldbe taken first? a) apply a precordial thump to the patient b) call for help c) return the patient's blood d) stop ultrafiltration

answer

b) call for help

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