Free 365 Days Exam Updates RPFT dumps with test Engine Practice [Q45-Q60]

NO.45 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

NO.46 At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?

NO.47 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?

NO.48 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

NO.49 Which of the following thresholds for a clinically significant change in lung function from the beginning to the end of a methacholine challenge test is significant?

NO.50 An arterial blood gas performed prior to exercise on a 45-year-old patient shows the following results:

A pulmonary function technologist should conclude that the patient’s

NO.51 A 54-year-old male with a normal ECG at rest develops dyspnea during an exercise (stress) test, and the following ECG pattern is noted at 25 watts:

25 mm/sec A pulmonary function technologist should

NO.52 The following data are observed during an exercise test:

Which of the following should a pulmonary function technologist do?

NO.53 When selecting gas tanks for a DLcosimulator, which of the following expired CO gas concentrations will produce the highest simulated DLco?

NO.54 Results of two blood gas samples drawn from the same patient, 30 minutes apart, are shown below:

Which of the following is the most likely explanation for these differences?

NO.55 While assessing a patient’s expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

NO.56 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?

NO.57 A 6-year-old child has a history of repeated episodes of wheezing and shortness of breath. A pulmonary function technologist has difficulty obtaining repeatable spirometry results. Which of the following tests should be performed next?

NO.58 Which of the following is the most reliable indicator that a patient has achieved his maximum exercise capacity during a progressive exercise (stress) test?

NO.59 Pulmonary function tests performed on a patient with tracheal stenosis may demonstrate increased

NO.60 A pulmonary function technologist is reviewing results of a recent mechanical diffusion simulation 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?