Test Prep RPFT Online Practice Questions and Exam Preparation

Test Prep RPFT Online Questions & Answers

• Question 101:

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

  A. Respiratory exchange ratio greater than 0.8
  B. Heart rate of 210/min
  C. VO2 remains stable with increasing workload
  D. Minute ventilation greater than 170 L/min
  C. VO2 remains stable with increasing workload

• Question 102:

  Which of the following is a valid reason for using biologic controls for DLCo?

  A. Establishing precision of the procedure
  B. Identifying the source of gas analyzer error
  C. Assessing accuracy of the volume measuring device
  D. Determining the lower limit of normal values
  C. Assessing accuracy of the volume measuring device

• Question 103:

  When selecting gas tanks for a DLco simulator, which of the following expired CO gas concentrations will produce the highest simulated DLco?

  A. 0.08
  B. 0.30
  C. 0.10
  D. 0.15
  B. 0.30

• Question 104:

  The following test results are available for a 35-year-old subject who is applying for disability:

  

  These findings are consistent with

  A. A paralyzed hemidiaphragm
  B. Occupational asthma
  C. Pulmonary fibrosis
  D. Poor effort
  A. A paralyzed hemidiaphragm

• Question 105:

  A treadmill is set so that the belt rises 1 ft in a horizontal distance of 10 ft at 3 mph. The percent grade indicator should read

  A. 30.0%
  B. 1.0%
  C. 3.0%
  D. 10.0%
  C. 3.0%

• Question 106:

  A comparison of two techniques for measuring Rawis shown below: Which of the following should a pulmonary function technologist conclude?

  

  A. Subject 1 panted too forcefully.
  B. The system was calibrated for quiet breathing.
  C. Subjects 1 and 2 both have reactive airways.
  D. Results are consistent with the two methodologies.
  D. Results are consistent with the two methodologies.

• Question 107:

  A 45-year-old female with sarcoidosis has pulmonary function tests annually. The following data have been recorded:

  

  A pulmonary function technologist should conclude that

  A. The patient's restrictive component has worsened.
  B. The patient has developed mild obstructive airway disease.
  C. The patient has a normal rate of loss for FEV1.
  D. Incorrect predicted values have been used.
  D. Incorrect predicted values have been used.

• Question 108:

  The following Levy-Jennings charts of control values are obtained:

  

  Which of the following is the correct sequence of actions for a pulmonary function technologist to take?

  1.

  Replace the oxygen electrode.

  2.

  Check the temperature of the measuring chamber.

  3.

  Run protein remover through the blood gas analyzer.

  4.

  Replace the CO2 electrode.

  A. 3, then 1
  B. 1, then 4
  C. 2, then 3
  D. 4, then 2
  A. 3, then 1

• Question 109:

  To assure linearity of an oxygen analyzer, calibrate with

  A. Three test gases within the operating range of the instrument
  B. Air
  C. 100% 02
  D. Two test gases within the operating range of the instrument
  A. Three test gases within the operating range of the instrument

• Question 110:

  While assessing a patient's expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

  A. The patient has an elevated VDAVT
  B. A gas analyzer is malfunctioning
  C. The expired gas is contaminated with air
  D. The patient is hyperventilating
  B. A gas analyzer is malfunctioning