1. Describe the function of corticotrophin-releasing hormone (CRH) from the hypothalamus.
2. Explain why CRH levels would be low when ACTH levels are high. There is a negative feedback loop that inhibits CRH production when ACTH levels are high.
3. Steroid hormones fall into the lipid soluble category. What is the important of cholesterol to all steroid molecules? All steroid hormones are derived from cholesterol molecules.