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. List the types of diagnostic testing used in gastroenterology and explain why the tests may be requested by the physician.

2. Identify the common cancers by body system. Of these, which cancer has the most limited symptomology? Explain your answer.

3. One common disorder of the eye is called pink eye. What is the medical term for this disorder? Is it always contagious? Why do you think so?