Each chapter closes with Critical Thinking Questions (listed below) as a review of chapter material that focuses on the role of the medical assistant.

1. For what reasons could a wandering ECG baseline occur? What are the solutions for these problems?

2. Stress testing is often ordered for patients suspected of having cardiac problems. Are there special precautions to consider for these patients, and if so, what are they?

3. What conditions or activities could affect the accuracy of a pulmonary function test?