Prior to performing a multiple-breath U2 washout test, a pulmonary function technologist is unable to zero the H2 gas analyzer.
Which of the following may be responsible?
Reveal answer details Close answer details
Correct answerD
Test Prep · RPFT
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Single choice
Prior to performing a multiple-breath U2 washout test, a pulmonary function technologist is unable to zero the H2 gas analyzer. Which of the following may be responsible? Reveal answer details Close answer detailsCorrect answerD
Single choice
A patient is performing a flow-volume loop. A pulmonary function technologist observes equal decreases in expiratory and inspiratory flows resulting in plateaus. Patient effort is satisfactory, and he follows instructions well. The technologist should expect the patient to have a Reveal answer details Close answer detailsCorrect answerB
Single choice
At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value? Reveal answer details Close answer detailsCorrect answerC
Single choice
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? Reveal answer details Close answer detailsCorrect answerB
Single choice
Which of the following may cause a reduction in end-tidal CO2? Reveal answer details Close answer detailsCorrect answerB
Single choice
Which of the following is a suitable policy for following Standard Precautions in a pulmonary function laboratory? Reveal answer details Close answer detailsCorrect answerB
Single choice
During calibration of a spirometer, injection of air with a 3-liter syringe results in the following: ![]() Using another 3-liter syringe, air is again injected with the following results: ![]() A pulmonary function technologist should conclude that the Reveal answer details Close answer detailsCorrect answerC
Single choice
The normal response to an increasing PaCO2 is Reveal answer details Close answer detailsCorrect answerC
Single choice
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 Reveal answer details Close answer detailsCorrect answerB
Single choice
The following Levy-Jennings charts of control values are obtained: ![]() Which of the following is the correct sequence of actions for a pulmonary function technologist to take? 1. Replace the oxygen electrode. Reveal answer details Close answer detailsCorrect answerA
Single choice
A 40-year-old woman with a recent onset of asthma is receiving education regarding her newly prescribed medications. Which of the following will most likely cause her to experience hoarseness? Reveal answer details Close answer detailsCorrect answerD
Single choice
A biologic control subject has a FRCpleth of 4.0 ?.3 L at panting frequencies between 60 and 70/min. Which of the following is the most appropriate action to take? Reveal answer details Close answer detailsCorrect answerC
Single choice
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 Reveal answer details Close answer detailsCorrect answerD
Single choice
A pulmonary function laboratory routinely tests five subjects as biologic controls. Acceptable instrument performance over time is indicated when measurements Reveal answer details Close answer detailsCorrect answerD
Single choice
To check the reliability of a pulse oximeter reading, a pulmonary function technologist should Reveal answer details Close answer detailsCorrect answerB
Single choice
The following data are obtained for a 60-year-old male undergoing an exercise (stress) test on an ergometer: ![]() A pulmonary function technologist should Reveal answer details Close answer detailsCorrect answerA
Single choice
To facilitate measurement of arterial oxygen content during an exercise (stress) test, a pulmonary function technologist should recommend Reveal answer details Close answer detailsCorrect answerB |