CHT Exam Questions

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2. What is CHT? The BONENT Certified Hemodialysis Technologist/Technician examination measures technical proficiency in certain skills and general areas of knowledge. The examination tests the following five major domains of practice and tasks performed in the scope of hemodialysis technology: Content by Bonent https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

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6. Question No 1: Which of the following is the most reliable method to estimate the effectiveness of standard procedures to minimize the risk of cross-contamination during spirometry testing in a pulmonary function laboratory? A. Count the number of disposable mouthpieces used for 1 week. B. Observe the handwashing behavior of each technologist. C. Ask patients tested about laboratory hygiene. D. Ask technologists if they wash their hands before each test Answer: B https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

7. Question No 2: While performing duplicate blood gas analyses, a pulmonary function technologist notes that the second instrument gives consistently higher values forPaCO2and PaO2. Which of the following is the most probable cause of higher readings from the second instrument? A. The sample chamber temperature is greater than 37° C B. An excessive delay occurred between running the two samples C. The PO2and PCO2electrodemembranes have protein build-up D. The sample chamber has a bacterial contaminate Answer: A https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

8. Question No 3: Which of the following problems may be identified by using an isothermal lung analog to perform quality control on a body plethysmograph? 1. 1.Improperly calibrated mouth pressure transducer 2. 2.Obstructed or perforated pneumotachometer 3. 3.Increase in mechanical resistance 4. 4.Malfunctioning box pressure transducer A. 3 and 4 only B. 2 and 3 only C. 1 and 4 only D. 1 and 2 only Answer: C https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

9. Question No 4: An isothermal lung analog has the following specifications: 5-L glass bottle 2000 g of steel wool Density of steel wool 5 g/cm3 Volume of connectors and bulb 100 mi-Repeated FRC measurements in the plethysmograph result in a volume of 5.5 L. Which of the following should a pulmonary function technologist do? A. Remove 500 g ofsteel wool from the lung analog B. Take the plethysmograph out of service C. Recalculate the BTPS correction D. Begin a biologic control program Answer: D https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

10. Question No 5: A pulmonary function technologist is reviewing an asthma action plan. The patient takes a low-dose inhaled corticosteroid and a long-acting beta2-agonist twice daily. The patient's personal best peak flow is 600 L/min. Which of the following instructions should be given to the patient when the peak flow drops to 500 L/min? A. Add montelukast (Singular). B. Continue the current regimen. C. Go to the emergency department. D. Double the steroid dose. Answer: A https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

11. Question No 6: A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should A. Instruct the patient to use the hand rails. B. Tighten the belt. C. Increase the speed of the belt. D. Decrease the treadmill grade. Answer: B https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

12. Question No 7: Prior to an exercise study, a pulmonary function technologist finds that the patient's RER is 1.13. Which of the following best explains this finding? A. Carbohydrate metabolism B. Protein metabolism C. Hypoventilation D. Hyperventilation Answer: D https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

13. Question No 8: A 6-year-old child has a history of repeated episodes of wheezing and shortness of breath. A pulmonary function technologist has difficulty obtaining repeatable spirometry results. Which of the following tests should be performed next? A. MVV B. DLco C. SGaw D. SpO2 Answer: A https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

14. Question No 9: A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred? A. Dynamic hyperinflation B. Disconnected gas sampling line C. Drift in the flow transducer D. Acute decrease in FRC Answer: D https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

15. Question No 10: During exercise, a subject's oxygen consumption increases out of proportion to his cardiac output. This is due to an increase in A. Anaerobic metabolism B. Alveolar ventilation C. Coronary blood flow D. Oxygen extraction. Answer: C https://www.exams4sure.com/BONENT/Certified-Hemodialysis-Technician-CHT-practice-exam-dumps.html

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