Page: 1
/ 23
Total 111 questions
The following results are obtained:
The RV/TLC ratio from these data is consistent with which of the following?
- A. Obstructive defect
- B. Normal lung volumes
- C. Combined obstructive/restrictive defect
- D. Restrictive defect
Answer : A
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?
- A. Terminate the test and administer oxygen by nasal cannula.
- B. Continue the test and recheck blood pressure using manual cuff method.
- C. Terminate the test at this time and recheck blood pressure.
- D. Continue the test if within 5 minutes of completion.
Answer : A
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. workload 200 watts
- B. VE65L/min
- C. HR145/min
- D. RER1.2
Answer : A
During the calibration and set-up of the metabolic stress testing system for a patient breathing supplemental oxygen, which of the following gas concentrations will ensure accurate calibration of the system?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer : D
A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred?
- A. dynamic hyperinflation
- B. disconnected gas sampling line
- C. drift in the flow transducer
- D. acute decrease in FRC
Answer : D
31 days access 