RPFT Online Practice Questions and Answers

A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred?

A. dynamic hyperinflation

B. disconnected gas sampling line

C. drift in the flow transducer

D. acute decrease in FRC

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

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

A. 1.65

B. 0.83

C. 1.00

D. 1.25

A 35-year-old healthy male is performing a maximal stress test as part of an annual physical. The following data are observed:

The patient denies any symptoms. Which of the following should a pulmonary function technologist do first?

A. Obtain an arterial blood gas while continuing exercise

B. Move the pulse oximeter sensor to another site

C. Administer oxygen at 3-4 L/min by nasal cannula

D. Terminate the test and stabilize the patient.

At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2 of 750 mUmin. The calculated 02 pulse is most consistent with which of the following?

A. cystic fibrosis

B. cardiomyopathy

C. achievement of anaerobic threshold

D. deconditioning

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 pulmonary function technologist reviews the following home monitoring spirometry results:

According to National Asthma Education and Prevention Program (NAEPP) guidelines, what feedback should the technologist give to the patient regarding test performance?

A. Ask the patient to blow out longer.

B. Encourage the patient to continue testing and monitoring the FEW

C. Ask the patient to recalibrate the spirometer.

D. Come into the office for further instructions on proper testing technique.

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

Using a peak flowmeter, a pulmonary function technologist obtains the following:

The technologist should

A. Conclude that bronchodilatation has occurred.

B. Report the average of the two best efforts.

C. Perform at least one more peak flow trial.

D. Report the patient's peak flow as 750 L/min.

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