Câu 25: RPFT: Registered Pulmonary Function Technologist
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…
Nội dung câu hỏi
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.
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. 1, 3, and 4 only — đáp án hiện tại
- B. 1, 2, and 3 only
- C. 1, 2, and 4 only
- D. 2, 3, and 4 only
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