1. What imbalance lessens the rate of secretion of parathyroid hormone (PTH)?
2. Regulation of the release of insulin is an example of which type of regulation?
3. A student asks the professor how a faulty negative-feedback mechanism results in a hormonal imbalance. What response by the professor is best?
4. Which substance is a water-soluble protein hormone?
5. Which of these is a lipid-soluble hormone?