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CCHT PRACTICE TEST LATEST UPDATE
GRADED A+
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 โโc) universal precautions
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 โโb) needs further rinsing
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 โโa) creatinine, BUN, &
phosphorus are elevated
4.Hemodialysis requires a means to channel the patient's blood to the hemodialyzer & then back to the body. It's called:
d) volume changes e) serum potassium levels โโc) blood leakage immediately
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 โโd) bananas, tomatoes, oranges
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 โโa) calcium, phosphorus &
PTH
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 โโa) diabetes
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 โโb) potassium has a smaller molecular weight
d) low blood flow rate โโc) low hematocrit
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 โโb) osmosis
15.Potting compound, casing, fibers and headers are part of a: a) dialysis machine b) water treatment system c) R. O. system
d) dialyzer โโd) dialyzer
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 โโc) 4.0 liters or 4000 ml
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 โโc) concentration of red blood cells in the blood
18.What factors should be considered when establishing a patient's dry weight? a) blood pressure
d) none of the above โโc) hemolysis
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 โโd) all of the above
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 โโa) UF Coefficient
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 โโb) resistance to blood flow out of the access
through the dialyzer
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 โโd) all of the above
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 โโb) increase the rate of waste removal
d) 500 CFU's โโc) 200 CFU's
29.According to AAMI RD52, how often should bacterial cultures be sampled? a) weekly b) monthly c) quarterly d) annually โโb) monthly
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 โโa) 50 CFU's
31.Bacterial exposure from water may cause which of the following symptoms? a) hemolysis b) fever/chills
c) bone disease d) hypotension โโb) fever/chills
32.Who developed the first permanent blood access, the "Shunt"? a) Scribner and Quinton b) Kolff c) Brescia and Cimino d) Turner โโa) Scribner and Quinton
33.Venous pressure meters are calibrated in: a) PSI b) mm/Hg c) mL/hour d) mg% โโb) mm/Hg
34.TPM is measured as: a) mL/hr b) mm/Hg
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 โโb) hydrogen ions
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 โโc) determine the patient's learning needs
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 โโd) all of the above
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 โโd) all of the above
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 โโb) 25-35 degrees
c) about one ounce (30 ml) of fluid is on the floor d) a patient's family member is present during treatment โโc) about one ounce (30 ml) of fluid is on the floor
- 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) โโa) Material Safety Data Sheet (MSDS)
- 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 โโd) the dialyzer was bypassed
- 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 โโc) obtain a sample after the second
- 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 โโa) refer the patient to the social worker
