Test Prep RPFT Online Practice Questions and Exam Preparation

Test Prep RPFT Online Questions & Answers

• Question 81:

  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.
  A. The program was effective in accomplishing smoking cessation.

• Question 82:

  When performing quality control in a body plethysmograph using a 5-L isothermal bottle, the VTG at shutter closure are as follows:

  

  A pulmonary function technologist should

  A. Service the mouth pressure transducer.
  B. Recalibrate the box pressure transducer.
  C. Check biological control before beginning testing.
  D. Proceed with patient testing.
  A. Service the mouth pressure transducer.

• Question 83:

  The desiccant column on an infrared CO2 analyzer is pink. The readings obtained from this analyzer would result in A. A decreased CO2

  B. An increased CO2
  C. An unstable reading
  D. No effect on CO2
  B. An increased CO2

• Question 84:

  A pulmonary function technologist is performing quality control on a nebulizer used in the 5-breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75 with a 2.0 mL initial saline dose in the nebulizer. The technologist should

  A. Open the vent before starting the bronchial challenge.
  B. Add an exhalation filter and proceed with testing patients.
  C. Clean and reevaluate this nebulizer.
  D. Accept the results and begin using the device.
  D. Accept the results and begin using the device.

• Question 85:

  The following data were obtained from a bronchial challenge test:

  

  APC20 of 2 mg/mL was obtained the next day in another laboratory. Which of the following is the most likely explanation for these data?

  A. The two test results are within day-to-day variability.
  B. Incorrect doses of methacholine were administered.
  C. The spirometer accuracy drifted during the test.
  D. The patient's effort was inconsistent.
  C. The spirometer accuracy drifted during the test.

• Question 86:

  A pulmonary function technologist is asked to select gas concentrations to simulate pediatric patients' exhaled concentrations during a DLco simulation. Which of the following FECO concentrations should the technologist select?

  A. 0.200
  B. 0.300
  C. 0.400
  D. 0.100
  B. 0.300

• Question 87:

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

• Question 88:

  A patient has just finished a 6-minute walk test during which she stopped and rested by leaning against a wall several times, while catching her breath. Which of the following should a pulmonary function technologist do?

  A. Document the total distance the patient covered in 6 minutes.
  B. Repeat the test with supplemental oxygen after the patient is fully rested.
  C. Subtract the time spent at rest and report the distance walked during the time spent walking.
  D. Report that the patient was unable to complete a standard 6-minute walk test.
  C. Subtract the time spent at rest and report the distance walked during the time spent walking.

• Question 89:

  Prior to an exercise study, a pulmonary function technologist finds that the patient's RER is 1.13. Which of the following best explains this finding?

  A. Carbohydrate metabolism
  B. Protein metabolism
  C. Hypoventilation
  D. Hyperventilation
  D. Hyperventilation

• Question 90:

  A physician orders smoking cessation counseling for a 60-year-old male with a new diagnosis of CHF and COPD. The patient has failed several attempts to quit smoking using nicotine gum. Which of the following should a pulmonary function technologist recommend?

  A. Switch to a nicotine patch.
  B. Use alternative medicine such as acupuncture.
  C. Add a trial of bupropion (Zyban).
  D. Increase the dosage of the nicotine replacement.
  D. Increase the dosage of the nicotine replacement.