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Free RPFT Exam Braindumps (page: 12)

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PDF with 111 Questions

Using a peak flowmeter, a pulmonary function technologist obtains the following:



The technologist should

  1. Conclude that bronchodilatation has occurred.
  2. Report the average of the two best efforts.
  3. Perform at least one more peak flow trial.
  4. Report the patient's peak flow as 750 L/min.

Answer(s): C



A 54-year-old male with a normal ECG at rest develops dyspnea during an exercise (stress) test, and the following ECG pattern is noted at 25 watts:



25 mm/sec A pulmonary function technologist should

  1. Continue the test until the subject reaches target heart rate.
  2. Stop the test immediately; there is evidence of heart block.
  3. Continue the test and obtain an arterial blood sample.
  4. Stop the test immediately; there is evidence of ischemia.

Answer(s): B



A polarographic oxygen analyzer used to measure expired gas in a metabolic system should always be calibrated with

  1. Gas concentrations higher and lower than the expected measurement
  2. Oxygen mixtures containing 4% and 8% carbon dioxide
  3. 100% oxygen and 100% nitrogen, fully saturated
  4. Air and fully saturated 100% oxygen.

Answer(s): A



Successive peak flow measurements made with a peak flowmeter on a subject previously diagnosed as having asthma yield the following results:



Which of the following is the best explanation for these?

  1. Condensation of moisture in the peak flowmeter
  2. Normal response
  3. Improper calibration of the peak flowmeter
  4. Increasing airways resistance in the subject

Answer(s): D






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