Category Physiology

The Adrenal Gland

Objectives 1. Discuss the anatomy of the adrenal gland, including the vascular supply and cortical zonation. 2. Diagram the synthesis and regulated release of catecholamines in the chromaffin cell. 3. Explain the action of catecholamines on different adrenergic receptors and…

The Thyroid Gland

Objectives 1. Explain the mechanisms of thyroid hormone synthesis. 2. Describe the regulation of thyroid function and the actions of thyroid hormones. 3. Compare and contrast the functions of thyroxine and triiodothyronine. 4. Discuss the peripheral conversion of thyroid hormones…

Energy Metabolism

Objectives 1. Explain energy metabolism in general and how the challenges to provide adequate energy to all cells change during the digestive phase versus the fasting phase. 2. List the primary hormones involved in the regulation of energy metabolic homeostasis,…

Challenge yourself answers

Chapter 1 1 Solution B, negative; or Solution A, positive 2 150 mmol/L urea 3 Increases 4 Upstroke of the action potential 5 25 quanta 6 Botulinus toxin 7 Action potential in nerve fiber; opening Ca 2+ channels in presynaptic…