CHT Practice Test Welcome to your CHT Practice Test 1. CHT: Patient Care If a hemodialysis patient experiences a hypotensive episode, what is the first step in management? Administer intravenous fluids Decrease the temperature of the dialysate Increase the dialysate flow rate Lower the patient's head and raise their feet None 2. CHT: Patient Care What is the recommended intervention for managing a high venous pressure alarm during hemodialysis? Check for and correct any kinks in the blood tubing Increase the blood flow rate Decrease the dialysate sodium concentration Administer anticoagulants None 3. CHT: Patient Care A patient's blood pressure falls significantly after initiating dialysis. What dietary advice is most appropriate to prevent future episodes? Increase fluid intake before dialysis Decrease potassium-rich foods Increase protein intake Limit pre-dialysis fluid intake None 4. CHT: Patient Care For a patient experiencing muscle cramps during dialysis, which intervention is appropriate? Administer a muscle relaxant Adjust the dialysate calcium level Increase the dialysate temperature Decrease the treatment time None 5. CHT: Patient Care What is the best approach to handling a patient who becomes agitated and confused during dialysis? Sedate the patient Reassure and reorient the patient Immediately discontinue treatment Increase the rate of dialysis None 6. CHT: Patient Care A dialysis patient has a persistent fever with no obvious source of infection. What should be the initial approach to manage this symptom? Start empirical antibiotics Perform a detailed assessment and culture any suspicious sites Increase the frequency of dialysis sessions Adjust the patient's medication regimen None 7. CHT: Patient Care How should hyperkalemia be addressed during a hemodialysis session? Administer glucose and insulin Increase the potassium content in the dialysate Adjust the dialysis membrane surface area Modify the potassium gradient in the dialysate None 8. CHT: Patient Care What is the most appropriate action for managing a hemodialysis patient who develops pruritus (itching)? Administer an oral antihistamine Increase the temperature of the dialysate Prescribe opioid analgesics Apply a topical corticosteroid None 9. CHT: Patient Care During a hemodialysis session, a patient complains of a headache and nausea. What should be the first step? Stop the dialysis session Administer antiemetics Check the dialysate composition Reduce the blood flow rate None 10. CHT: Patient Care For a patient with an AV graft, what is the best practice for needle insertion during hemodialysis? Use the buttonhole technique Rotate the needle insertion sites Always insert at the same site Insert at the highest flow area None 11. CHT: Patient Care If a patient experiences a seizure during dialysis, what is the most appropriate response? Continue the dialysis session while monitoring Administer an intravenous antiseizure medication Stop the dialysis and maintain airway, breathing, and circulation Position the patient upright None 12. CHT: Patient Care Which action is recommended for managing a patient with high interdialytic weight gain? Advise the patient to consume more sodium Encourage strict dietary fluid restrictions Decrease the dialysis session length Increase the dialysate calcium concentration None 13. CHT: Patient Care What is the primary consideration when adjusting the dialysis prescription for a patient with low residual renal function? Increase dialysis duration Decrease the dialysate flow rate Use a high-flux membrane Adjust the anticoagulant dosage None 14. CHT: Patient Care How should a technician respond to a dialysis machine displaying repeated high conductivity alarms? Reset the conductivity meter Check and adjust the dialysate concentrate mixture Increase the water flow rate Replace the conductivity sensor None 15. CHT: Patient Care What is the correct procedure when a patient exhibits signs of an allergic reaction to the dialyzer membrane? Switch to a different type of membrane immediately Administer an antihistamine and continue the session Stop the dialysis and administer epinephrine if severe Reduce the blood flow rate and monitor the patient None 16. CHT: Patient Care When observing a decrease in dialysis efficiency, what should be considered as a possible cause? The patient's diet Inadequate heparinization An increase in patient's physical activity Change in patient's medication None 17. CHT: Patient Care In the case of blood leakage from the dialyzer, what is the most appropriate immediate action? Continue monitoring the leakage Stop the treatment and replace the dialyzer Decrease the blood flow rate Check for leaks in the tubing None 18. CHT: Patient Care What should be done if a patient on hemodialysis develops sudden anaphylactic symptoms after using a new type of heparin? Administer oral antihistamines Discontinue the heparin and administer epinephrine Decrease the dialysis flow rate Apply a cold compress to the site of injection None 19. CHT: Patient Care For patients experiencing frequent hypoglycemic episodes during dialysis, what dietary adjustment is most recommended? Increase protein intake Reduce carbohydrate intake before sessions Increase carbohydrate intake before sessions Eliminate snacks during dialysis None 20. CHT: Patient Care What is the recommended action for a patient who consistently shows elevated blood pressure readings only during dialysis sessions? Adjust antihypertensive medications Evaluate the dry weight setting Increase the sodium content in the dialysate Perform ultrafiltration more frequently None 21. CHT: Patient Care A hemodialysis patient complains of feeling cold during sessions, especially in the extremities. What is the first step to address this? Increase the dialysate temperature Provide additional blankets Check for blood access issues Reduce the blood flow rate None 22. CHT: Patient Care How should a technician address a situation where a patient's vascular access begins to show signs of thrombosis? Apply a warm compress Immediately schedule for surgical evaluation Administer a thrombolytic agent at the site Increase heparin dosage during dialysis None 23. CHT: Patient Care What is the best approach when a patient on hemodialysis reports persistent insomnia? Recommend over-the-counter sleep aids Refer to a sleep specialist for evaluation Increase dialysis frequency Adjust the timing of dialysis sessions None 24. CHT: Patient Care When noticing a gradual decrease in a patient's hematocrit levels during consecutive dialysis sessions, what is the most likely action needed? Initiate iron supplementation Reduce heparin dosage Increase erythropoietin administration Decrease dialysis frequency None 25. CHT: Patient Care What intervention is appropriate for a hemodialysis patient who develops pedal edema? Reduce fluid intake between sessions Increase fluid intake between sessions Decrease dialysis duration Administer diuretics None 26. CHT: Patient Care In cases where a patient develops a fever during dialysis, what is the initial step that should be taken? Stop the dialysis session and assess the patient Increase the flow rate of the dialysate Administer antipyretics immediately Continue the session while monitoring temperature None 27. CHT: Patient Care What should be done if a patient experiences severe pain at the dialysis catheter site? Adjust the catheter position Prescribe pain medication Schedule an immediate X-ray Apply a topical antibiotic None 28. CHT: Patient Care A hemodialysis patient presents with elevated phosphorus levels despite dietary restrictions. What is the next best step in management? Increase dialysis session length Administer phosphate binders Decrease dialysate calcium Prescribe calcium supplements None 29. CHT: Patient Care When a patient complains of sudden dizziness and tinnitus during hemodialysis, what should be considered first? Ear infection Disequilibrium syndrome Hypoglycemia Medication side effect None 30. CHT: Patient Care What is the appropriate response if a patient on hemodialysis has consistently low post-dialysis potassium levels? Decrease the potassium in the dialysate Increase the potassium in the dialysate Administer potassium supplements orally Reduce the frequency of dialysis sessions None 31. CHT: Patient Care For a patient experiencing xerostomia (dry mouth) during dialysis, which intervention is most appropriate? Provide sugar-free candies or gum Increase fluid intake during dialysis Prescribe anticholinergic medications Administer intravenous fluids None 32. CHT: Patient Care In the case where a dialysis patient experiences post-dialysis fatigue regularly, what should be evaluated? The adequacy of dialysis clearance The patient's sleep quality The patient's caloric intake All of the above None 33. CHT: Patient Care A hemodialysis patient reports severe back pain only during dialysis sessions. What is the most likely cause? Poor posture during treatment Dialysate temperature too low Underlying kidney disease Dialysis catheter displacement None 34. CHT: Patient Care When a patient's blood tests show consistently elevated bicarbonate levels post-dialysis, what adjustment should be made? Increase the bicarbonate in the dialysate Decrease the bicarbonate in the dialysate Increase the dialysis frequency Administer acidifying medications None 35. CHT: Patient Care What is the best practice for a technician when a patient expresses anxiety about needle insertion for AV fistula access? Use a smaller gauge needle Provide psychological counseling Use a numbing cream prior to insertion All of the above None 36. CHT: Patient Care How should a dialysis technician respond when a high-efficiency particulate air (HEP filter alarm sounds on a dialysis machine? A) Reset the machine Replace the HEPA filter immediately Check and clean the air intake system Continue the session and monitor the patient None 37. CHT: Patient Care What is the correct action if a patient experiences a venous pressure alarm during hemodialysis? Increase the blood flow rate Decrease the blood flow rate Check for kinks in the venous line Administer a bolus of saline None 38. CHT: Patient Care What is the appropriate action when a hemodialysis patient shows symptoms of air embolism? Increase the blood flow rate Place the patient in a supine position Administer supplemental oxygen and place in the Trendelenburg position Apply a warm compress to the access site None 39. CHT: Patient Care A dialysis patient exhibits signs of hypercalcemia. What is the most likely adjustment needed in their treatment protocol? Increase the calcium content in the dialysate Reduce the calcium content in the dialysate Administer calcium supplements Decrease the dialysis frequency None 40. CHT: Patient Care For a patient experiencing excessive bleeding at the vascular access site post-dialysis, what is the first course of action? Apply pressure and elevate the limb Administer a coagulant Perform a vascular surgery consultation Reduce anticoagulant dose for the next session None 41. CHT: Patient Care What is the appropriate intervention if a patient develops pericarditis as a complication of end-stage renal disease? Increase fluid removal during dialysis Initiate anti-inflammatory medication Adjust the dialysate pH Schedule an echocardiogram and start appropriate medication None 42. CHT: Patient Care How should a technician manage a patient who becomes increasingly lethargic and disoriented during a dialysis session? Decrease the dialysate temperature Test blood glucose levels and manage accordingly Increase the blood flow rate Administer a stimulant None 43. CHT: Patient Care When encountering a high arterial pressure alarm during hemodialysis, what should be the technician's first response? Check for arterial line obstructions Increase the anticoagulant dosage Decrease the blood flow rate Administer hypertensive medication None 44. CHT: Patient Care A patient on hemodialysis develops gout. What dietary recommendation is most appropriate? Increase protein intake Decrease consumption of high-purine foods Increase fluid intake between sessions Increase calcium intake None 45. CHT: Patient Care What is the correct procedure if a patient reports burning sensation at the dialysis catheter site during treatment? Discontinue the session immediately Apply a topical anesthetic Flush the catheter with saline Check for signs of infection and inflammation None 46. CHT: Machine Technology What is the primary role of a transducer protector in hemodialysis machines? To maintain the dialysate flow rate To protect the machine from electrical surges To prevent blood from contaminating the pressure monitoring lines To filter the dialysate for impurities None 47. CHT: Machine Technology In hemodialysis machines, what is the function of the air trap? To remove air bubbles from the blood before it returns to the patient To increase the efficiency of the dialyzer To monitor the temperature of the dialysate To regulate the flow of dialysate None 48. CHT: Machine Technology Which component in a hemodialysis machine calibrates the conductivity of dialysate? Pressure monitor Temperature sensor Conductivity meter Ultrafiltration controller None 49. CHT: Machine Technology What is the purpose of the dialysate heater in a hemodialysis machine? To sterilize the dialysate To maintain the dialysate at a preset temperature for patient comfort and treatment efficacy To increase the rate of diffusion across the dialyzer To decrease the viscosity of blood None 50. CHT: Machine Technology What component is primarily responsible for detecting blood leaks in a hemodialysis machine? Blood leak detector Hemoglobin sensor Flow meter Turbidity sensor None 51. CHT: Machine Technology What is the significance of the venous pressure monitor in a hemodialysis machine? It measures the concentration of solutes in the dialysate It controls the rate at which dialysate is pumped through the system It monitors the pressure in the venous line to detect potential blockages or leaks It regulates the temperature of the blood returning to the patient None 52. CHT: Machine Technology Which of the following is not a function of the dialysate mixing system in a hemodialysis machine? To ensure the proper mixture of dialysate concentrate and water To detect the presence of air bubbles in the dialysate To adjust the electrolyte composition of the dialysate To control the temperature of the dialysate None 53. CHT: Machine Technology What is the primary function of the dialyzer in a hemodialysis machine? To heat the dialysate To mix the dialysate solution To exchange waste products and excess fluids with the dialysate To monitor the flow of blood None 54. CHT: Machine Technology How does the arterial pressure monitor aid in the operation of a hemodialysis machine? It detects changes in the dialysate's chemical composition It ensures the dialysate is free of pyrogens It measures the pressure of blood entering the dialyzer It regulates the dose of heparin administered None 55. CHT: Machine Technology Which system in a hemodialysis machine is primarily responsible for removing pyrogens from the dialysate? The dialysate filter The ultrafiltration controller The bicarbonate mixer The conductivity meter None 56. CHT: Machine Technology What is the purpose of the dialysate heater in a hemodialysis machine? To sterilize the dialysate To maintain the dialysate at a preset temperature for patient comfort and treatment efficacy To increase the rate of diffusion across the dialyzer To decrease the viscosity of blood None 57. CHT: Machine Technology Which of the following is not a function of the dialysate mixing system in a hemodialysis machine? To ensure the proper mixture of dialysate concentrate and water To detect the presence of air bubbles in the dialysate To adjust the electrolyte composition of the dialysate To control the temperature of the dialysate None 58. CHT: Water Treatment What is the primary role of a carbon tank in hemodialysis water treatment systems? To adjust the pH of the water To remove chlorine and chloramines To soften the water To remove bicarbonate None 59. CHT: Water Treatment What is the main reason for monitoring total dissolved solids (TDS) in the water used for hemodialysis? To check the efficiency of water softeners To prevent scale buildup in the machinery To ensure the removal of organic compounds To verify the performance of reverse osmosis membranes None 60. CHT: Water Treatment Which component is critical for preventing bacterial contamination in hemodialysis water treatment systems? Carbon filters UV light Water softeners pH sensors None 61. CHT: Water Treatment In the context of dialysis, why is it important to control the level of chloramines in water? They can degrade membranes in the dialysis machines. They increase the risk of hemolysis in patients. They contribute to the hardness of the water. They are used as a nutritional supplement in dialysate. None 62. CHT: Water Treatment What is the purpose of using a deionization system in conjunction with reverse osmosis in dialysis water treatment? To add essential ions back into the water To further reduce the concentration of ionic contaminants To increase the pH of the treated water To regenerate used carbon filters None 63. CHT: Water Treatment Which water treatment process is specifically effective at removing dissolved organic compounds and endotoxins? Filtration through a micron filter Reverse osmosis Ultraviolet irradiation Aeration None 64. CHT: Water Treatment How does the presence of high levels of bicarbonates in dialysis water affect patients? It leads to increased blood pressure. It causes metabolic acidosis. It reduces the effectiveness of dialysis. It causes metabolic alkalosis. None 65. CHT: Water Treatment What is the significance of using dual-stage carbon tanks in dialysis water treatment systems? They increase the pH stability of the water. They enhance the removal of heavy metals. They provide redundancy in removing chlorine and chloramines. They are used to soften the water before it enters the reverse osmosis system. None 66. CHT: Water Treatment Why is periodic replacement of filters and membranes necessary in the water treatment systems used for hemodialysis? To maintain the aesthetic quality of the water To prevent chemical buildup and ensure effective contaminant removal To increase the water flow rate through the system To adjust the water temperature None 67. CHT: Water Treatment What role does the water softener play in the pretreatment process of hemodialysis water treatment systems? It removes gases from the water. It eliminates microorganisms. It reduces the concentration of divalent cations. It enhances the flavor of the water. None 68. CHT: Water Treatment For what purpose is a 'blend valve' used in the context of dialysis water treatment systems? To mix treated and untreated water to achieve desired conductivity levels To control the flow rate of water through the carbon tanks To isolate the system for maintenance without shutting down To increase the temperature of the water for better contaminant removal None 69. CHT: Water Treatment What is the potential hazard of a failed backflow preventer in a dialysis water treatment system? Increased water hardness Risk of contaminating the public water supply Decreased efficiency of UV lamps Overheating of the water system None 70. CHT: Water Treatment What is the impact of high sulfate levels in the water used for hemodialysis? It can lead to gastrointestinal disturbances in patients. It enhances the transfer of toxins across the dialysis membrane. It can cause an increase in water pH. It stabilizes the membrane performance in dialysis machines. None 71. CHT: Water Treatment Why is it important to monitor the pressure gauges in a hemodialysis water treatment system regularly? To ensure appropriate flow rates and prevent membrane damage To check the levels of dissolved gases in the water To monitor the temperature stability To detect the presence of organic contaminants None 72. CHT: Water Treatment What is the significance of using dual-stage carbon tanks in dialysis water treatment systems? They increase the pH stability of the water. They enhance the removal of heavy metals. They provide redundancy in removing chlorine and chloramines. They are used to soften the water before it enters the reverse osmosis system. None 73. CHT: Infection Control Which of the following is NOT a recommended practice for preventing cross-contamination in a hemodialysis setting? Using dedicated machines for patients with infectious diseases Disinfecting dialysis machines with an EPA-registered disinfectant after each use Allowing the internal fluid pathways of the dialysis machine to air dry Using gloves when handling vascular access sites None 74. CHT: Infection Control In hemodialysis, what is the minimum recommended concentration of chlorine solution for disinfecting surfaces potentially contaminated with hepatitis B virus? 500 ppm 1000 ppm 5000 ppm 100 ppm None 75. CHT: Infection Control What is the recommended action if a dialysis patient is found to have an infection caused by a multidrug-resistant organism? Isolate the patient immediately Treat with the strongest available antibiotic without testing Discontinue dialysis until infection is resolved Use the same dialysis machine for other patients None 76. CHT: Infection Control When should gloves be changed in a hemodialysis unit? After every patient interaction Only if the gloves are visibly soiled After every four hours of continuous use Only at the end of the shift None 77. CHT: Infection Control Which of the following is NOT a standard practice for the management of sharps in a hemodialysis setting? Immediate disposal in a puncture-resistant container Recapping used needles Keeping the sharps container close to the point of use Using devices with safety features to prevent needlestick injuries None 78. CHT: Infection Control What is the primary purpose of using bicarbonate cartridges in hemodialysis machines? To filter out toxins from the blood To prevent bacterial growth in the dialysate To enhance the diffusion of substances across the dialyzer membrane To correct the pH of the dialysate None 79. CHT: Infection Control How frequently should the venous pressure alarm limits be tested on a hemodialysis machine? Before each patient's treatment Weekly Monthly Annually None 80. CHT: Infection Control Which of the following statements is true regarding the disposal of dialysis waste? All dialysis waste is considered infectious Only dialyzer cartridges should be treated as infectious waste Waste from hepatitis C positive patients need not be segregated Bloodlines and filters should be disposed of as general waste None 81. CHT: Infection Control What is the best practice for handling a blood spill in a hemodialysis unit? Covering the spill with gauze to absorb the blood Washing the area immediately with water Cleaning the area with a detergent followed by a disinfectant Ignoring small spills as they are not significant None 82. CHT: Infection Control What is the protocol for reprocessing a high-flux dialyzer? It should be discarded after a single use It can be reused up to 10 times with appropriate reprocessing It should be sterilized only with heat It can be reused indefinitely with chemical disinfection None 83. CHT: Infection Control What is the required action if a dialysis patient develops a fever during treatment? Continue the session as planned Terminate the session immediately Monitor the patient and reduce the blood flow rate Assess for potential sources of infection and consult with a physician None 84. CHT: Infection Control For which of the following pathogens must dialysis staff receive vaccination as a preventive measure? Tuberculosis Hepatitis B HIV Hepatitis C None 85. CHT: Infection Control What is the role of ultraviolet (UV) light in a hemodialysis water treatment system? It increases the oxygen content of the water It is used to soften the water It disinfects the water by killing bacteria and viruses It adjusts the pH level of the water None 86. CHT: Infection Control Which is NOT a standard precaution in a hemodialysis unit? Use of personal protective equipment Routine handwashing before and after patient contact Use of mask for all patient interactions Proper disposal of sharps None 87. CHT: Infection Control What is the correct procedure for the use of heparin in a dialysis setting to prevent infection? The heparin bottle should be shared between patients to conserve supplies Heparin should be drawn up in a syringe and used within one hour A new heparin vial should be used for each patient Heparin does not influence infection control practices None 88. CHT: Infection Control What is the recommended frequency for changing the dialysis machine's external filter? After every session Daily Weekly Monthly None 89. CHT: Infection Control Which procedure is critical to prevent the transmission of infectious agents through the water supply in a dialysis unit? Regular monitoring of water hardness Routine chlorination of the water supply Monthly testing for endotoxins Daily pH testing None 90. CHT: Infection Control In the context of infection control, what is the significance of 'decolonization' for patients with MRSA? It involves the complete elimination of the MRSA bacterium from the environment It refers to the use of specific antibiotics to reduce the bacterial load in the patient It means isolating the patient to prevent the spread of MRSA to others It includes treating all patients with antibiotics as a preventive measure None 91. CHT: Education and Professional Development Which of the following best represents the purpose of continuous education in hemodialysis technology? To fulfill regulatory requirements only To enhance patient care through updated knowledge and skills To increase the job responsibilities of a technician To provide a basis for promotion to higher positions None 92. CHT: Education and Professional Development What is a primary role of professional development activities for Certified Hemodialysis Technicians? Reducing the cost of training new staff Providing a competitive edge in job markets Addressing gaps in knowledge and skills Fulfilling the minimum working hours required for certification None 93. CHT: Education and Professional Development Which guideline is most critical when selecting educational programs for hemodialysis technicians? Programs that are the shortest in duration Programs that offer multiple specialties Programs accredited by a recognized health education body Programs that are the least expensive None 94. CHT: Education and Professional Development When planning professional development for a team of hemodialysis technicians, what is the MOST important factor to consider? The cost of the training programs The individual learning styles of the technicians The preferences of the facility's management The availability of online courses None 95. CHT: Education and Professional Development In the context of education for hemodialysis technicians, what does "competency-based training" primarily focus on? The number of hours spent in training Academic achievements in medical fields Demonstrable skills and knowledge application Attendance and participation in courses None 96. CHT: Education and Professional Development What is an essential component of effective in-service training programs for hemodialysis technicians? Periodic assessments to monitor progress Entertainment during training sessions Inclusion of non-relevant medical topics Focus on theoretical knowledge only None 97. CHT: Education and Professional Development How should feedback be utilized in the professional development of hemodialysis technicians? As a form of criticism to enforce compliance Only at the end of each training module To personalize learning and improve practices Sparingly to avoid overwhelming the technicians None 98. CHT: Education and Professional Development Which method is most effective for ensuring the transfer of new skills from training sessions to the clinic floor for hemodialysis technicians? One-time workshops High-stakes testing Simulation and hands-on practice Lecture-based learning None 99. CHT: Education and Professional Development What role does mentorship play in the professional development of hemodialysis technicians? It provides only a social support network It is irrelevant to skill development It enhances technical skills and professional judgment It decreases the self-confidence of new technicians None 100. CHT: Education and Professional Development What is the primary benefit of incorporating case studies into the training of hemodialysis technicians? To focus solely on theoretical knowledge To comply with administrative requirements To facilitate understanding of complex scenarios To shorten the duration of training None 1 out of 100 Time is Up! Time's up
