Assignment 10

Answer any four of the questions. Due date is next class period.

1. A patient with a tumor of the hypothalamus is experiencing copious urination for several hours. what relationship exists between the hypothalamus and urination? What hormone is probably being hyposecreted? What is the physiological effect of this hormone when it is secreted in normal concentrations?
2. Discuss the regulation of blood glucose levels by a negative feedback system. Include in your discussion the relationship between glucagon and insulin in maintaining homeostasis.
3. Describe the body's fight-or-flight response in terms of the interrelationship of the sympathetic nervous system and the adrenal medulla.
4. Name and describe the locations of the major endocrine glands, list the hormones  they secrete and give a function of that hormone.
5. Describe the role of G-proteins in hormone function.
6. Compare and contrast the mechanisms of action of lipid-soluble versus water-soluble hormones.
7. Describe and explain the similarities between starvation and diabetes mellitus.