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Free RPFT Exam Braindumps (page: 13)

Page 12 of 28
PDF with 111 Questions

A pulmonary function technologist can calculate which of the following if values for pH, PaO2, SaO2, SvO2PvO2, VO2, and Hb areobtained?

  1. Cardiac output
  2. RER
  3. VD/VT
  4. Stroke volume

Answer(s): A



An isothermal lung analog has the following specifications:

5-L glass bottle

2000 g of steel wool

Density of steel wool 5 g/cm3

Volume of connectors and bulb 100 mi-Repeated FRC measurements in the plethysmograph result in a volume of 5.5 L.

Which of the following should a pulmonary function technologist do?

  1. Remove 500 g ofsteel wool from the lung analog
  2. Take the plethysmograph out of service
  3. Recalculate the BTPS correction
  4. Begin a biologic control program

Answer(s): D



A 54-year-old male who smokes presents to the pulmonary laboratory for chronic cough and dyspnea on exertion. PFT and blood gas results show the following:





Which of the following should the pulmonary function technologist recommend?

  1. DLcomeasurement
  2. Oxygen therapy with exercise
  3. Trial of varenicline (Chantix)
  4. Lung volume measurement

Answer(s): A



Which of the following information reported from a recent methacholine challenge test best summarizes the patient's bronchial hyperresponsiveness?

  1. patient reported chest tightness and a cough
  2. diluent FEV1= 92% predicted
  3. postbronchodilator recovery FEV1=106% baseline
  4. PC20= 2.3 mg/mL

Answer(s): A






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