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. If a patient had his pituitary gland removed, what hormone supplements would he need?

2. What is the danger of a diabetic injecting too much insulin?

3. Why is hyposecretion (insufficient secretion) of thyroid hormone in newborns more serious than hyposecretion in adults?