You have a friend who thinks she has a "hormone problem." She is afraid to go to the doctor to be examined write a letter to her describing the diagnostic laboratory tests used to diagnose endocrine problems, keeping in mind that your friend does not know medical jargon. Explain the medical terms that you use. Refer to the textbook for tests used to diagnose endocrine problems. Make sure to include and explain the following diagnostic tests in the letter:
1. glucose tolerance test
2. insulin tolerance test
3. protein-bound iodine
4. fasting blood sugar
5. thyroid function test
6. total calcium