Free RPFT Exam Braindumps (page: 4)

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Pulmonary function tests performed on a patient with tracheal stenosis may demonstrate increased

  1. SVC.
  2. Static compliance.
  3. Raw.
  4. FIF50.

Answer(s): D



Which of the following is the most reliable indicator that a patient has achieved his maximum exercise capacity during a progressive exercise (stress) test?

  1. Respiratory exchange ratio greater than 0.8
  2. Heart rate of 210/min
  3. VO2remains stable with increasing workload
  4. Minute ventilation greater than 170 L/min

Answer(s): C



A pulmonary function technologist is performing quality control on a nebulizer used in the 5- breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75µL with a 2.0 mL initial saline dose in the nebulizer. The technologist should

  1. Open the vent before starting the bronchial challenge.
  2. Add an exhalation filter and proceed with testing patients.
  3. Clean and reevaluate this nebulizer.
  4. Accept the results and begin using the device.

Answer(s): D



To assure linearity of an oxygen analyzer, calibrate with

  1. Three test gases within the operating range of the instrument
  2. Air
  3. 100% 02
  4. Two test gases within the operating range of the instrument

Answer(s): A






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