Online Access Free RPFT Practice Test

During a forced vital capacity (FVC) maneuver, a patient produces an exhalation with a slow start and delayed peak expiratory flow. Which of the following is the most probable cause of this pattern?

• A.Glottic closure at the start of exhalation
• B.Leak in the mouthpiece
• C.Submaximal effort by the patient
• D.Incorrect nose clip placement

In setting up a CO analyzer, a pulmonary function technologist notices that the analyzer reads -0.03 while sampling air. The technologist should

• A.Adjust the reading to 0.00.
• B.Accept the reading because it is within ± 3%.
• C.Adjust the reading to +0.03.
• D.Reverse the sample flow.

The following results were obtained from spirometry before and after a bronchodilator administration:

Which of the following is the correct interpretation of these data?

• A.Obstructive pattern with no bronchodilator response
• B.Restrictive pattern with no bronchodilator response
• C.Obstructive pattern with positive bronchodilator response
• D.Restrictive pattern with positive bronchodilator response

Which of the following may cause a reduction in end-tidal CO2?

• A.Anxiety-induced hyperventilation
• B.Increased VD/VTratio
• C.Eating a high-protein diet
• D.Exercise below the anaerobic threshold

An arterial blood gas performed prior to exercise on a 45-year-old patient shows the following results:

A pulmonary function technologist should conclude that the patient's

• A.Dead space ventilation is above normal.
• B.Alveolar ventilation is above normal.
• C.Hemoglobin level is below normal.
• D.Values are within normal limits.