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RPFT Braindumps Real Exam Updated on Dec 06, 2025 with 117 Questions
NEW QUESTION # 56
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. Terminate the test and stabilize the patient.
- B. Move the pulse oximeter sensor to another site
- C. Administer oxygen at 3-4 L/min by nasal cannula
- D. Obtain an arterial blood gas while continuing exercise
Answer: A
NEW QUESTION # 57
Which of the following may cause a reduction in end-tidal CO2?
- A. Eating a high-protein diet
- B. Increased VD/VTratio
- C. Anxiety-induced hyperventilation
- D. Exercise below the anaerobic threshold
Answer: C
NEW QUESTION # 58
During a cardiopulmonary stress test using breath-by-breath gas analysis, a pulmonary function technologist notices that the VO2 suddenly decreases. Which of the following may explain this change?
1. The patient has achieved anaerobic threshold.
2. The measurement of the expired gas volumes is inaccurate.
3. O2 analyzer "phase delay" has increased.
4. There is a leak in the tubing or mouthpiece.
- A. 1, 2, and 3 only
- B. 2, 3, and 4 only
- C. 1, 2, and 4 only
- D. 1, 3, and 4 only
Answer: D
NEW QUESTION # 59
The following results are obtained from an adult patient:
Which of the following is the best interpretation of these values?
- A. Small airway disease
- B. Airways obstruction
- C. Combined obstruction/restriction
- D. Normal values
Answer: A
NEW QUESTION # 60
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?
- A. Increasing airways resistance in the subject
- B. Improper calibration of the peak flowmeter
- C. Condensation of moisture in the peak flowmeter
- D. Normal response
Answer: A
NEW QUESTION # 61
During an exercise study, the RER will equal the RQ only when the patient is at
- A. Steady state
- B. Rest
- C. The anaerobic threshold
- D. Peak exercise
Answer: A
NEW QUESTION # 62
The following data are obtained for a 60-year-old male undergoing an exercise (stress) test on an ergometer:
A pulmonary function technologist should
- A. Stop the test because this is an abnormal VD/VT response.
- B. Stop the test because the heart rate is too high after 10 minutes.
- C. Continue the test since this is a normal cardiopulmonary response.
- D. Stop the test because the blood pressure response is abnormal.
Answer: D
NEW QUESTION # 63
A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reveals the FVC is 4.00 L and FEV1is 3.00 L. The provocative dose 20% (PD20) can be calculated when which of the following measurements occur?
- A. The ratio FEV1/FVC falls below 0.8.
- B. The FVC falls below 3.20 L, or the FEV1falls below 2.40 L.
- C. The FEV, falls below 2.40 L, regardless of change in FVC.
- D. The FVC falls below 3.20 L and the FEV1falls below 2.40 L.
Answer: C
NEW QUESTION # 64
A subject has the following values reported:
What is the SGAW?
- A. 1.25
- B. 0.20
- C. 0.40
- D. 0.80
Answer: A
NEW QUESTION # 65
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?
- A. Increasing airways resistance in the subject
- B. Improper calibration of the peak flowmeter
- C. Condensation of moisture in the peak flowmeter
- D. Normal response
Answer: A
NEW QUESTION # 66
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?
- A. RER1.2
- B. HR145/min
- C. VE65L/min
- D. workload 200 watts
Answer: D
NEW QUESTION # 67
A patient who smokes three packs of cigarettes a day has a DLcoOf 45% of predicted. The patient is referred for exercise (stress) testing. Which of the following should a pulmonary function technologist select to evaluate oxygenation?
- A. End-tidal oxygen tension
- B. Transcutaneous oxygen electrode
- C. Arterial blood gas analysis
- D. Pulse oximetry
Answer: C
NEW QUESTION # 68
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. Come into the office for further instructions on proper testing technique.
- D. Ask the patient to recalibrate the spirometer.
Answer: B
NEW QUESTION # 69
A patient's vital capacity is slightly reduced, the FEWFVC is normal, and the uncorrected DLco is increased.
Which of the following is the most likely diagnosis?
- A. diffuse pulmonary fibrosis
- B. kyphoscoliosis
- C. diaphragmatic hemiparesis
- D. polycythemia vera
Answer: D
NEW QUESTION # 70
The following results are obtained from an adult male:
The corrected DLco value
- A. is higher.
- B. is lower.
- C. is unchanged.
- D. cannot be calculated.
Answer: C
NEW QUESTION # 71
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