1. Describe the major mechanisms for stimulation of gastric acid secretion and inhibition in cephalic, gastric and intestinal phases.

2. Describe the absorption process of the products of lipid digestion.

3. Describe the symptoms of insulin-dependent and non-insulin dependent diabetes mellitus and explain how these conditions are produced.

4. Using a cause-and-effect sequence, explain how an inadequate intake of dietary calcium or vitamin D can cause bone resorption. Also, describe the cause-and-effect sequence whereby an adequate intake of calcium and vitamin D may promote bone deposition.