RPFT Online Practice Questions and Answers

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

A. Increased VD/VT ratio

B. Anxiety-induced hyperventilation

C. Exercise below the anaerobic threshold

D. Eating a high-protein diet

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%

The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer:

2.80 L

2.79 L

2.82 L The performance of this spirometer is best described as

A. Neither accurate nor precise.

B. Both accurate and precise.

C. Precise, but not accurate.

D. Accurate, but not precise.

A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should

A. Instruct the patient to use the hand rails.

B. Tighten the belt.

C. Increase the speed of the belt.

D. Decrease the treadmill grade.

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.

Which of the following tracings represents an airways resistance maneuver performed with a slow breathing frequency?

A. Option A

B. Option B

C. Option C

D. Option D

A smoking cessation program using a nicotine patch is started for all smokers in a factory. Results revealed that smokers who reported they had quit had exhaled carbon monoxide levels less than 6 ppm. A pulmonary function technologist should conclude that

A. The program was effective in accomplishing smoking cessation.

B. The smokers had refrained from smoking for the previous 6 hours.

C. The smokers were not being truthful about smoking cessation.

D. A different method of smoking cessation should be offered to improve outcomes.

During calibration of a spirometer, injection of air with a 3-liter syringe results in the following:

Using another 3-liter syringe, air is again injected with the following results:

A pulmonary function technologist should conclude that the

A. Calibration should be repeated

B. Spirometer is alinear

C. First syringe is not set properly

D. Spirometer has intermittent failure

A pulmonary function technologist is reviewing an asthma action plan. The patient takes a low-dose inhaled corticosteroid and a long-acting beta2-agonist twice daily. The patient's personal best peak flow is 600 L/min. Which of the following instructions should be given to the patient when the peak flow drops to 500 L/min?

A. Add montelukast (Singular).

B. Continue the current regimen.

C. Go to the emergency department.

D. Double the steroid dose.

A patient who is about to begin pulmonary function testing is visibly upset and complains to a pulmonary function technologist that she felt a receptionist was rude to her. Which of the following should the technologist do?

A. Try to get the patient to calm down by telling her that the receptionist is probably just having a bad day.

B. Give the patient time to calm down and ask the laboratory manager to become involved.

C. Ignore the complaint because it is not going to affect the testing about to begin.

D. Accompany the patient back to the reception area and try to determine who was at fault.