Test Prep RPFT Online Practice Questions and Exam Preparation

Test Prep RPFT Online Questions & Answers

• Question 71:

  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

  A. Continue the test until the subject reaches target heart rate.
  B. Stop the test immediately; there is evidence of heart block.
  C. Continue the test and obtain an arterial blood sample.
  D. Stop the test immediately; there is evidence of ischemia.
  B. Stop the test immediately; there is evidence of heart block.

• Question 72:

  A pulmonary function technologist is reviewing results of a recent mechanical diffusion simulation using a 3-liter syringe. The test was conducted at a room temperature of 22?C. The following BTPS results were reported:

  

  Which of the following should the technologist do?

  A. Proceed with testing.
  B. Change the calibration gases.
  C. Recalibrate the gas analyzer.
  D. Recalibrate the pneumotachometer.
  A. Proceed with testing.

• Question 73:

  Treadmill speed can be verified by

  A. Multiplying the belt length by the cycles/min.
  B. Dividing the height by the horizontal distance.
  C. Multiplying the cycles/min by the height.
  D. Dividing the cycles/min by the belt length.
  A. Multiplying the belt length by the cycles/min.

• Question 74:

  A patient has normal pulmonary and cardiac function. Which of the following is most likely when the patient reaches the anaerobic threshold during incremental stress testing?

  A. Increased RER
  B. Decreased CO2 production
  C. Increased VDA/VT ratio
  D. Decreased VE
  C. Increased VDA/VT ratio

• Question 75:

  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
  B. Observe the handwashing behavior of each technologist.

• Question 76:

  A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reveals the FVC is 4.00 L and FEV1 is 3.00 L. The provocative dose 20% (PD20) can be calculated when which of the following measurements occur?

  A. The FVC falls below 3.20 L, or the FEV1 falls below 2.40 L.
  B. The FEV, falls below 2.40 L, regardless of change in FVC.
  C. The FVC falls below 3.20 L and the FEV1 falls below 2.40 L.
  D. The ratio FEV1/FVC falls below 0.8.
  B. The FEV, falls below 2.40 L, regardless of change in FVC.

• Question 77:

  Biological control data are obtained for lung volumes by plethysmography. The following results are obtained:

  

  A pulmonary function technologist should repeat the test instructing the individual to

  A. Inhale to TV
  B. Pant at 40 to 50 Hz
  C. Pant at 90 to 100 Hz
  D. Inhale to TLC
  D. Inhale to TLC

• Question 78:

  The following values are reported at maximum effort for a 50-year-old, 70-kg (154-lb) male with significant coronary artery disease during ergometer stress testing. Which of the following is most likely an error?

  A. workload 200 watts
  B. VE65L/min
  C. HR145/min
  D. RER1.2
  A. workload 200 watts

• Question 79:

  A 66-year-old female performs spirometry with the following results:

  

  The patient most likely has

  A. Normal pulmonary function.
  B. Obstructive lung disease.
  C. Restrictive lung disease.
  D. Pulmonary hypertension.
  C. Restrictive lung disease.

• Question 80:

  A 40-year-old woman with a recent onset of asthma is receiving education regarding her newly prescribed medications. Which of the following will most likely cause her to experience hoarseness?

  A. Anti-lgE immunizations
  B. Inhaled corticosteroid
  C. Short acting beta2-agonist
  D. Leukotriene antagonist
  D. Leukotriene antagonist