CCHT Exam 150 Questions with Verified Answers,100% CORRECT

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CCHT Exam 150 Questions with Verified Answers The best way to dispose of used blood tubing, dialyzers, and other blood containing components is to - CORRECT ANSWER Place them in an impervious tra... sh bag marked "biohazardous" and follow institutional policy for disposal of hazardous waste. The venous pressure on the machine starts to rise; the needle isn't out infiltrated. Which on of the following could be possible to cause - CORRECT ANSWER There is an obstruction in the venous line at the dialyzer's venous port. Which of the following is considered a major factor that interferes witha person's capacity to achieve successful rehabilitation? - CORRECT ANSWER Refusal to accept his/her chronic illness Water softener,, commonly used to demineralization water for home delusions treatments, have the hidden disadvantage of providing an unwanted dietary source of - CORRECT ANSWER Soduium A permanent tunneled catheter is an example of - CORRECT ANSWER External blood accesses The male patient presents for dialysis treatment with weight of 79.5 kg(175 lbs). He dialyzes for 3.0 hours. His dry weight of 76.5kg (168 lbs) and he dialyzes on a CA210, which has an ultrafiltration rate (UFR) 10.0. The patient receives no prime, rinseback, or oral fluids. Which of the following should be the transmembrane pressure (TMP) - CORRECT ANSWER 100.0 If the dialysis machine has been disinfected with renal in, it is important to test for residual renal in after rinsing to minimize the risk of? - CORRECT ANSWER Patients exposure too renalin. A home of dialysis patient whose caregiver is on vacation is dialyzing in the unit. During the treatment, the patient become hypotensive.the technician wants to reduce the transmembrane pressure ( TMP) but the patient refuses. Which of the following replies would know be the technician's best initial response? - CORRECT ANSWER What do you do when this happens at home? Which steps should the nurse take if a patient experiences cardiopulmonary arrest while on dialysis? - CORRECT ANSWER Establish unresponsive ness, asses for absence of carotid pulse, call for assistance, begin cpr, discontinue dialysis, assist with intubation and artificial ventilation, and administer drugs according to unit protocol, and discontinue dialysis. A patient has a prescribed blood flow rate of 400 ml/min. As the treatment is initiated, the prepump arterial pressure read -300 mm hg and the venous pressure is +300 mm hd at a 300 ml/min blood flow rate. Which f the following should the technician do? - CORRECT ANSWER Check needle placement for infiltration or other signs of poor positioning. A patient comes in for their scheduled dialysis treatment and complains of diarrhea, it's very important to report the patient complaint to the registered nurse,. Which of the following treatment changes may be needed? - CORRECT ANSWER Modify the dialysate potassium level. Toxic products that accumulate in the body as a result of decreased kidney function are urea? - CORRECT ANSWER Creatinine, potassium, and phosphorus As assessment of a patient suspected of pericardial effusion should include all the following parameters except - CORRECT ANSWER Oral temperature The most important reason to promptly wipe up spilled fluid from the machinery or form the floor is to protect the? - CORRECT ANSWER Staff from accidents due to slipping and from shock hazards Which of the following may not be common psychological reaction for patients beginning maintenance dialysis? - CORRECT ANSWER Guilt Which of the following are the association for advancement of medical instrumentation (AAMI) recommended maximum levels for chemicals and organisms usually found in water used for dialysis patients - CORRECT ANSWER Calcium= 0.5 mEq/L Fluoride = 2.0 mg/L Chloride = 10ppm Bacteria = 200 CFU/mL Which of the following is not important in maintaining accurate blood flow rates? - CORRECT ANSWER The length of the tubing between pump and dialyzer Which of the following is the MOST effective means of preventing the spread of hepatitis b to no infected patients in a dialysis unit? - CORRECT ANSWER Cleaning visible blood off environmental surfaces. When tryin try remove large amounts of fluid weight during a treatment, the only parameter that can be controlled by the technician is the - CORRECT ANSWER Transmembrane pressure (TMP) Which of the following precautions is not necessary when cleaning up a formaldehyde spill - CORRECT ANSWER Using disposable cloths Technician should cannulate a polytetrafluoroethylene (PTFE) graft by inserting the needle at an angle between? - CORRECT ANSWER 35-45 degrees. During machine setup, the dialyzer test for residual sterilants is positive. The technician's MOST appropriate response is to? - CORRECT ANSWER Continue rinsing for five minutes and then retest Hepatitis B Virus is a dialysis facility is likely to be transmitted by? - CORRECT ANSWER Contamination of surgaces Demonization is a type of water treatment used in a dialysis that utilizes - CORRECT ANSWER Cation and anion exchanges TO establish the ideal relationship with dialysis patients, personnel should strive to? - CORRECT ANSWER Be understanding and appreciative of the patients The only mandated method for protecting the healthcare worker from infection with a blood borne pathogen is? - CORRECT ANSWER Adherence to "dialysis precautions." In the event a major fire is discovered in an area by patients the first action should be to? - CORRECT ANSWER Rescue the patients in the immediate area. Which of the following are factors to be considered when evaluating recirculating in an AVF or AVG - CORRECT ANSWER Distance between the needles, development of the stenosis., direction of needle insertion Prepump arterial pressure monitoring is useful for? - CORRECT ANSWER Monitoring the access function, monitoring dialyzer clotting,. Identifying potential hemolysis risk. The dialysis technician knows the purpose of using the rope ladder technique is to - CORRECT ANSWER Prevent aneurysms If too much weight is gained between dialysis treatments, it is reasonable to assume that the patient's diet includes an excess of both fluids and ? - CORRECT ANSWER Sodium Which of the following is least important in the orientation of a new employee? - CORRECT ANSWER Developing a friendship with the orientee Shortly after the dialysis initiation, a patients complains of chest pain, shortness of breath, and burning in the access in the arm. The patients is MOST likely experiencing - CORRECT ANSWER A sterilants reaction Correct needle placement is important in the initiation of dialysis to minimize the risk of all the following EXCEPT - CORRECT ANSWER Hematoma formation The latency off the subclavian catheter is usually maintained after the dialysis by - CORRECT ANSWER Filling the catheter with hearing or citrate If several patients developed pyrogenic reactions during the past week while on dialysis, the nurse should check the water for - CORRECT ANSWER Gram positive bacteria If during the dialysis the blood leak detector alarm sounds while the outflow dialysate hose is clear and a Hemastix test reads negative, the BEST course of action would be to? - CORRECT ANSWER Change the dialyzer and the bloodlines. Which of the following substances is not a part of dialysate solution - CORRECT ANSWER Pgosphorus Mechanical filtration of suspended particulate matter include all of the following EXCEPT? - CORRECT ANSWER Carbon filters If a staff member is assigned to take care of an HBV antigen positive patient, they? - CORRECT ANSWER Talk care only of HBV antigen positive patients for the day A patient with predialysis temperature of 98.2f/36.8c has a post dialysis temperature of 101.3f/36.8c. Evaluation of the change in temperature should include all of the following EXCEPT - CORRECT ANSWER Testing for residual disinfection from the machine. Isolated ultrafiltration (UF) is BEST described as - CORRECT ANSWER Fluid removal without diffusion dialysis The dialysis staff should not smoke, eat, or drink in the dialysis treatment area or laboratory PRIMARILY because doing so? - CORRECT ANSWER May spread infectrion The anemia associated with renal failure is an ongoing complication for many patients with end stag34 renal disease (ESRD). Which off the following statements identifies a technician' so MOST appropriate action for minimizing the anemia during dialysis? - CORRECT ANSWER Minimize blood loss through careful technique Before initiating any dialysis procedure, the technicians MUST wash his hands because handwashing - CORRECT ANSWER Removes potentially pathogenic skin organisms Systematic rotation of stock is necessary in order to - CORRECT ANSWER Prevent the use of expired stock For which of the following purposes is mannitol uses? - CORRECT ANSWER To support blood pressure osmotically During a high temperature alarm, which just off the following should occur when the audible alarm sounds and the visual alarm triggered? - CORRECT ANSWER The dialyzer is bypassed The MOST common cause of hypotension during hemodialysis is removal of sodium and water from the? - CORRECT ANSWER Intracellular space by ultrafiltration A reason dialysis patients are likely to develop infections is because they? - CORRECT ANSWER Receive frequent invasive procedures A woman needs dialysis immediately. No treat has been performed for antibodies to Acquire Immune Deficiency Syndrome (AIDS). Which of the following statements regarding Universal Precautions is INCORRECT? - CORRECT ANSWER When gloves are worn during the patients contact, handwashing is not necessary To communicate well through documentation, entries in the medical record should be clear? - CORRECT ANSWER Concise and timely According to association for the Advancement of Medical Instrumentation (AAMI) recommendations, how often should the conductivity, PH, and dialysate temperature be checked? - CORRECT ANSWER Prior to each shift of dialysis treatment The PRIMARY reason for anemia is chronic renal failure is ? - CORRECT ANSWER Decreased erythropoietin production Conductivity meters all function on the ability to? - CORRECT ANSWER Pass an electrical current through the dialysate A system of water treatment that removes chloramines is called? - CORRECT ANSWER Activated carbon Which of the following will cause a high venous pressure alarm to go off? - CORRECT ANSWER Clotting in the venous chamber, clotting in the venous line, a massive dialyzer blood leak Wen a patient presents with shortness of breath prediaysis, which of the following is the FIRST action that should be taken? - CORRECT ANSWER Check for edema THe use of bicarbonate has changes in the dialysis delivery to include - CORRECT ANSWER Increase need for sterilization of solution containers Which of the following are symptoms of dialysis disequilibrium syndrome - CORRECT ANSWER Headache and vomitting The first step in the routine collections of a 24 hour urine special event is to? - CORRECT ANSWER Have the patients empty the bladder prior to specimens collection Association for the advancement of medical instrumentation ( AAMI) stand as call for a total bundle (TBV) test trio be performing to verify dialyzer performance how often? - CORRECT ANSWER For every dialyzer processed. When collecting water to perform microbiologic testing, which of the following procedures must be followed? - CORRECT ANSWER Clean catch technique, 30 minutes after turning theH20 treatment Symptoms of hepatitis include - CORRECT ANSWER Nausea and vomiting, fatigue, Enlarged liver, right improper quadrant abdominal pain and jaundice Dialyzer headers are leaking, the technician should instruct the reuse staff to do all the following EXCEPT - CORRECT ANSWER Lower the leak pressure treat to 450 mm HG blood urea nitrogen (BUN) is a by-product? - CORRECT ANSWER Protein metabolism In treated water meeting the Association for the advancement of Medical Instrumentation (AAMI) standards, the maximum allowable CFU of bacterial contamination is ? - CORRECT ANSWER 200 According to the Association for the Advancement of Medical Instrumentation (AAMI) standard, the endotoxins or Limulus Amebocyte (LAL) level shall NOT exceed? - CORRECT ANSWER 2 EU/mL Intravenous (IV) antibiotics are give after, or close to the end of hemodialysis treatment to reduce the probability of - CORRECT ANSWER Medication loss Hemodialysis of RBCs will occur at a dialysate temperature of - CORRECT ANSWER 42c The technician has tested the tap water for total chlorine and the level is zero. The municipal water treatment plant tells the technician it does not use chlorine. The technician has no carbon tanks on the water treatment system because of the potent Iona leak bacterial growth. Which of the following actions should the technician take? - CORRECT ANSWER Stock carbon tanks or some appropriate chlorine/chloramine treatment and treat the water During the morning report, the dialysis technician learns that one of the dialysis patients has been hospitalized due to exsanguination. The technician understands the seriousness of this situation because exsanguination is defined as? - CORRECT ANSWER A blood loss greater than 300 ml. All the following are necessary to ensure quality control in the are of the electrical safety Except - CORRECT ANSWER Monitoring of the correct electrical power entering the dialysis facility. Ten patients who have been dialyzing from 1- 1 1/2 hours suddenly begin to experience fever, itching, puffy eyelids, nausea , and red blotchiness. The patients MOST likely are exhibiting signs of? - CORRECT ANSWER A Pyrogenic reaction. The major cause associated with the failure of the arteriovenous (AV) graft i? - CORRECT ANSWER Rejection If the temperature of the dialysate is too cold, it can result in which of the following? - CORRECT ANSWER Clotting to the dialyzer Which of the following is the BEST reason to check a patients temperature before starting hemodialysis? - CORRECT ANSWER Check for early signs of infection. Training of the staff involved in the reprocessing of hemodialyzers, per Association for the Advancement if Medical Instrument (AAMI) standards should include all the following for EXCEPT - CORRECT ANSWER How to speak with patients when getting dialyzer reuse consents signed. Induration at the site of tuberculin skin test (TST) means that a person? - CORRECT ANSWER Was exposed too tuberculin. Which of the following laboratory values supports a diagnosis of Hepatitis-B? - CORRECT ANSWER Hepatitis B surface antigen (HBsAg) The risk of hypernatremia resulting from water softener regeneration occurring in the middle of a patient treatment ran b reduced by? - CORRECT ANSWER Putting demonization tanks downstream of the water softner Sodium modeling using newer machines refers to - CORRECT ANSWER Sodium is adjusted throughout treatment. Which of the following statements regarding members of a quality assurance (QA) committee is correct? - CORRECT ANSWER All members of the healthcare team should be present The general term describing a microorganism know to cause disease in humans is a - CORRECT ANSWER Pathogen It is important for the members of a dialysis staff to be aware that the heart muscle is affected mainly by? - CORRECT ANSWER Abnormal serum potassium levels When the air detector alarm sounds, it should simultaneously perform which of the following functions? - CORRECT ANSWER clamp the venous line, give auditory and visual alarms and stop the blood pump Reprocessed dialyzers may be disinfected in many ways, including chemical disinfection, heat disinfection and others. When preparing dialyzer so for patient use,, hind o the following is the proper procedure? - CORRECT ANSWER Recirculate saline in the extracorporeal circuit before infusing it into the patient. The most common cause of death among hemodialysis patients is - CORRECT ANSWER Cardiac complications All the following factors should be considered when choosing an appropriate dialyzer EXCEPT. - CORRECT ANSWER Dialysate composition A patients with "hard-water syndrome" could exhibit? - CORRECT ANSWER Nausea, vomiting, and muscular weakness Which of the following basic formulas calculates the transmembrane pressure (TMP) required for the desired fluid removal? - CORRECT ANSWER Total fluid in ML divided by hours over Kuf of dialyzer (mL/mm Hg TMP) The component of the water treatment system that employs a semipermeable membrane and pressure to remove both organic matter and electrolytes from processed waters is - CORRECT ANSWER Filtration Which of the following is recommended by the centers for the disease control and prevention (CDC) regarding infectious diseases? - CORRECT ANSWER Universal isolation practices and segregation fo patients positives for hepatitis B antigen. Which of the following is the MOST likely cause when a patient develops fever after hemodialysis treatment has begun? - CORRECT ANSWER Pyrogenic reaction A patients who is in fluid overload may exhibit all of the following conditions EXCEPT - CORRECT ANSWER Orthostatic hypotension The dialysis technician has notices that a maintenance man working around the unit has an open cut on his hand. The technician should - CORRECT ANSWER Report the incident to the nurse What is the purpose of the ultraviolet light in MOST water treatment systems - CORRECT ANSWER To kill gram positive bacteria Excess negative arterial pressures may be due to all of the following EXCEPT - CORRECT ANSWER Venous line separation When assessing the adequacy of the dialysis which of the following factors MUST be considered? - CORRECT ANSWER Blood flow rate, dialysis. Flow rate, body size,. Clotting in the dialyzer The storage time of the aqueous bicarbonate concentrate is omitted because? - CORRECT ANSWER Bacterial growth may occur At the initiation of the dialysis, the patients complains of paint and burning at the access area,. The technician should immedaiately - CORRECT ANSWER Stop the =blood flow and do not return the blood During a routine monitor check, the technician notes that the ultrafiltration rather (UFR) has not varied from prior checks, but the transmembrane pressure (TMP) has decreased. The technician's response should be to? - CORRECT ANSWER Consider clotting and UF malfunctions as causes Which of the following substances MOST commonly need to be controlled in the diet of hemodialysis - CORRECT ANSWER Protein, sodium, potassium, A PRIMARY physiologic abnormality in the anemia associated with renal failure is? - CORRECT ANSWER Lack of erythropoietin or, erythropoietin-stimulating factor from the kidney Which of the following correctly describes the pathophysiology responsible for orthostatic hypotension in chronic renal failure? - CORRECT ANSWER Impaired venous return. If the venous pressure suddenly rises to 250mm Hg vhile the terminating dialysis treatment, the technician should? - CORRECT ANSWER Turn off the pump and check for.tubing. kinks. Undissolved particles such as mud and sand are removed in the water treatment system by? - CORRECT ANSWER Sediment Filter. The surface of dialysis equipment should be disinfealed with a bleach solution of what ratio of bleach to water concentration. - CORRECT ANSWER 1:100 Water that is safe for drinking is NOT necessarily safe for dialysis because? - CORRECT ANSWER A patient is exposed to a large amount of water during the dialysis treatment. The process of forming a near solid continuous mass in blood is known as? - CORRECT ANSWER thrombosis, All of the following are potential problems associated with the use of bicarbonate dialysate EXCEPT? - CORRECT ANSWER precipitation of calcium and magnesium in the delivery system According to the Association for the Advancement of Medical Instrumentalion (AAN),When perforninge culture, water used for the hemodialysis machine should NOT exceed an action level of? - CORRECT ANSWER 50 CFU/mL A reuse dialyzer has been set up for a patient. The patients name is written on the dialyzer, but there is no reprocessing sticker on the dialyzer. What should the technician do? - CORRECT ANSWER Set up another dialyzer for the patient, Conductivily measures the? - CORRECT ANSWER Concentration of positive ions, in the dialysate. A patient who is typically talkative is ususually quiet today. What should the technicians say to the patient? - CORRECT ANSWER "You seem quiet today, is something wrong?" All of the following are likely conributing factors to frequent clotting of dialyzers on a machine except? - CORRECT ANSWER High Ultrafiltration (UF) KUV and urca reduction rate (URR) values have been abnormally high when drawn by certain individual. What might be the cause? - CORRECT ANSWER The blood sample was improperly obtained. Which of the following is responsible for the ultimate disposal of medical waste? - CORRECT ANSWER Facility at which it originated. The main function of a 0.2 micron filter placed in a water treatment system post ultraviolet light is to remove? - CORRECT ANSWER Endotoxins Two and one-half hours into a hemodialysis treatment, a patient experiences a drop in his blood pressure. Which of the following is the LEAST common cause of hypotension during dialysis? - CORRECT ANSWER Increased dictary, intake of sodium. - in the selection and placement of water treatment components for a home hemodialysis instalation, a water softer is undesirable as the final purification method because softened water is high in bactenal count and? - CORRECT ANSWER Sodium Which one of the following is NOT a possible saquela of hepatitis B? - CORRECT ANSWER Pancreatitis The BEST way to establish hemostasis after dialysis is to apply? R - CORRECT ANSWER Moderate pressure over the puncture site As lechnicans is returning blood to the patient at a slow rate at the end of the dialysis, it is noted that the venous chamber has emptied and the venous line has filled with air. The first response should be to? - CORRECT ANSWER Clamp the venous line and turn off the blood pump, Hyperkalemia is a severe complication for patients on hemodialysis because it can produce? - CORRECT ANSWER Lethal Cardiac Arrhythmias, What is the most common complication during hemodialysis? - CORRECT ANSWER Hypotension Air can get into the extracorporeal circuit because? - CORRECT ANSWER Of lose connections, through needles, from cracked connectors, or from vented fluid containgrs. The Tolal pressure in the blood circuit a result of all of the following EXCEPT the ? - CORRECT ANSWER Rate of dinlysis fluid flow, A patient presents for treatment and complains of muscle weakness. The lechnician should aspeewh the following? - CORRECT ANSWER Hyperkalemia In a dialysate delivery system, the purpose of using and acid or vinegar rinse is to - CORRECT ANSWER dissolve the crystals and precipitates from bicarbonate solution in the fluid pathways of the machine. How far should the sternum of an adull be depressed during cardiopulmonary resusciation (CP) compressions? - CORRECT ANSWER 11/2 - 2 inches The patients laboratory results are positive for Human Immunodeficiency Virus (HIV) antibodies. A corre statement regarding HIV positive patients on dialysis is that they can be dialyzed? - CORRECT ANSWER -In a hospital based or freestanding unit using dialysis precautions The technician is supposed to administer a heparin bolus (loading dose) systemically to allow a response prior to blood and membrane interaction .The BEST way to accomplish this is to inject the heparin? - CORRECT ANSWER dialysis needle or catheter port three to five minutes prior to intiating dialysis. -When dialyzing a hepatitis B antigen positive, which of these is NOT a consideration? - CORRECT ANSWER The dialysis machine can only be used on a single patient. The reason temperature is monitored during dialysis is that? - CORRECT ANSWER Hemolysis and protein denaturation may occur at elevated dialysate temperatures With regard to the evaluation of a new dialysis equipment the LEAST helpful resource is the - CORRECT ANSWER Food & drug administration (FDA) Acording in Asociation for the Advancement of Medical Instrumentation (AAMI) standards, a backup hemodialysis machine that is not used every day must be disinfected at LEAST every - CORRECT ANSWER '24 hours. When handling dialysate effluent, staff should wear gloves, mask, and eye protection because? - CORRECT ANSWER The effluent is considered a contaminated body fluid. Measuring conductivity of finished dialysate with an external meter is? - CORRECT ANSWER Recommended by the association for the Advancement of Medical Instrumentation (AAMI) and manufactures of dialysis machines. When one rescuer begins cardiopulmonary resusc;:alion(CPR) on an adult, the ratio of chest compressions to lung inflations is? - CORRECT ANSWER 30 compressions to 2 ventilation 'The patients immune system should normally provide protection from which of the following? - CORRECT ANSWER 'Infection The rate of which excess fluid can be removed asymplomatically in a particular patients depends on? - CORRECT ANSWER Degree of cardinc stability and overhydration status of the patient. When evaluating complications potentially related to dialyzer reuse, which of the following principles mut be considered? - CORRECT ANSWER Water with a level greater than 200 CF gram-negative bacteria may have a high endotoxin level Dialysis water systems use polyvinyl chloride or stainless steel pipes and fittings to prevent leaching of? - CORRECT ANSWER Copper Which one of the following melbod3 kills a signifcan/ number of bacteria but will not necessarily destroy all of them completely? - CORRECT ANSWER .Disinfection The PRIMARY crierion for selecting a continuing education program is the? - CORRECT ANSWER Content relevance to work. :A key factor associated with the recently increased incidence of tuberculosis is which of the following? - CORRECT ANSWER Increased crowding in urban areas. The approach recommended by the Centers for Diskse Control and Prevention (CDC) and referred to as "fialysis precautions" includes all of the following EXCEPT that - CORRECT ANSWER mouthpieces, resuscitation bags, or other ventilation devices should be available for use in areas in which the need for resuscitation is predictable. All the following conditions can cause alarm and result in no dialysate flow EXCEPT? - CORRECT ANSWER Incorrect blood pump segment size. All of the following statements about hepatitis B vaccine are correct EXCEPT - CORRECT ANSWER the vaccine provides passive hepatitis B immunity. [Show More]

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