Free RPFT Sample Questions and 100% Cover Real Exam Questions (Updated 117 Questions) [Q16-Q38]

QUESTION 16
The following data were obtained from a bronchial challenge test:

APC20of 2 mg/mL was obtained the next day in another laboratory. Which of the following is the most likely explanation for these data?

QUESTION 17
The following values are reported at maximum effort for a 50-year-old, 70-kg (154-lb) male with significant coronary artery disease during ergometer stress testing. Which of the following is most likely an error?

QUESTION 18
While performing a quality control test on an open circuit nitrogen system, the volume of a 3-liter syringe is measured as 3.9
L. Which of the following is the most probable explanation?

QUESTION 19
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?

QUESTION 20
Which of the following is a suitable policy for following Standard Precautions in a pulmonary function laboratory?

QUESTION 21
While performing a plethysmographic lung volume test, a technologist observes that the patient’s breathing efforts do not produce consistent pressure fluctuations in the box. Which of the following is the most likely reason for this issue?

QUESTION 22
During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve
/VCO2) ratio is 100. This measurement indicates

QUESTION 23
A polarographic oxygen analyzer used to measure expired gas in a metabolic system should always be calibrated with

QUESTION 24
Successive peak flow measurements made with a peak flowmeter on a subject previously diagnosed as having asthma yield the following results:

Which of the following is the best explanation for these?

QUESTION 25
During an exercise study, a pulmonary function technologist notices the systolic blood pressure increased to
270 mm Hg using an automated cuff. Which of the following should the technologist do?

QUESTION 26
To assure linearity of an oxygen analyzer, calibrate with

QUESTION 27
When performing quality control in a body plethysmograph using a 5-L isothermal bottle, theVTGat shutter closure are as follows:

A pulmonary function technologist should

QUESTION 28
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?

QUESTION 29
Which of the following is the most reliable method to estimate the effectiveness of standard procedures to minimize the risk of cross-contamination during spirometry testing in a pulmonary function laboratory?

QUESTION 30
After finishing the exercise portion of a test for exercise-induced bronchospasm, a patient
complains of difficulty “catching her breath.” A pulmonary function technologist should

QUESTION 31
Prior to an exercise study, a pulmonary function technologist finds that the patient’s RER is
1.13. Which of the following bestexplains this finding?

QUESTION 32
During an exercise study, the RER will equal the RQ only when the patient is at

QUESTION 33
A pulmonary function technologist is reviewing results of a recent mechanical diffusion simul-ation using a 3- liter syringe. The test was conducted at a room temperature of 22° C. The following BTPS results were reported:
Which of the following should the technologist do?

QUESTION 34
In setting up a CO analyzer, a pulmonary function technologist notices that the analyzer reads -0.03 while sampling air. The technologist should

QUESTION 35
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?

QUESTION 36
Airways resistance and specific conductance tests are requested for a 7-year-old child with asthma. Which of the following techniques is preferred?

QUESTION 37
A comparison of two techniques for measuring Rawis shown below:

Which of the following should a pulmonary function technologist conclude?

QUESTION 38
When selecting gas tanks for a DLcosimulator, which of the following expired CO gas concentrations will produce the highest simulated DLco?