RPFT

RPFT practice questions, page 4 of 5, with answer review and explanations.

Question 16

A pulmonary function technologist is performing an exercise study on a patient with sarcoidosis. Which of the following end-tidal CO2 values should the technologist expect at rest, if the test is performed appropriately?

  1. 7-10%
  2. 0-1.5%
  3. 4-5%
  4. 2-3%

Question 17

While performing duplicate blood gas analyses, a pulmonary function technologist notes that the second instrument gives consistently higher values forPaCO2 and PaO2. Which of the following is the most probable cause of higher readings from the second instrument?

  1. The sample chamber temperature is greater than 37° C
  2. An excessive delay occurred between running the two samples
  3. The PO2 and PCO2 electrode membranes have protein build-up
  4. The sample chamber has a bacterial contaminate

Question 18

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

  1. 30.0%
  2. 1.0%
  3. 3.0%
  4. 10.0%

Question 19

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?

  1. Anti-lgE immunizations
  2. Inhaled corticosteroid
  3. Short acting beta2-agonist
  4. Leukotriene antagonist

Question 20

At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?

  1. 1.65
  2. 0.83
  3. 1.00
  4. 1.25